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Dr. Karla Zadnik

Abstracts

  • Abstracts

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  • Book Chapters

  • Books and Monographs

  • Bulletins and Technical Reports

  • Degrees

  • Edited Books

  • Editorial Activities

  • Honors

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  • Peer Reviewed Journal Articles

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  • Presentations

  • Reviews


    • Zadnik K, Mannis MJ, and Johnson CA. 1984. The effect of penetrating keratoplasy on contrast sensitivity in keratoconus. [Abstract]. American Journal of Optometry and Physiological Optics (Suppl). Vol. 61: 5P ()
    • Zadnik K. 1985. Cataracts, chronic uveitis, and retinal vasculitis in Behcet's disease. [Abstract]. American Journal of Optometry and Physiological Optics (Suppl). Vol. 62: 87P ()
    • Zadnik K and Mutti DO. 1985. Contact lens fitting relationship and visual acuity in keratoconus. [Abstract]. American Journal of Optometry and Physiological Optics (Suppl). Vol. 62: 98P ()
    • Zadnik K, Mutti DO, and Seger RG. 1985. Contact lens fitting relationship and visual acuity in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (suppl). Vol. 26: 144 ()
    • Mannis MJ, Zadnik K, Morrison T, Krachmer J, and Holland E. 1986. An analysis of personality trends in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (suppl). Vol. 27: 66 ()
    • Zadnik K, Mannis MJ, and Morrison TJ. 1986. Personality trends in keratoconus. [Abstract]. American Journal of Optometry and Physiological Optics (suppl). Vol. 63: 14P ()
    • Zadnik K, Mannis MJ, Johnson CA, and Rich D. 1986. Rapid contrast sensitivity assessment in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (suppl). Vol. 27: 66 ()
    • Mannis MJ, Zadnik K, Johnson CA, and Adams CW. 1987. The effect of penetrating keratoplasty and epikeratophakia on contrast sesitivity. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 28: 276 ()
    • Zadnik K, Mannis MJ, Johnson CA, and Rich D. 1987. Rapid contrast sensitivity assessment in keratoconus. [Abstract]. American Journal of Optometry and Physiological Optics (suppl). Vol. 28: 276 ()
    • Applegate RA, Johnson CA, Howland HC, Mannis MJ, Zadnik K, and Adams C. 1988. Optical aberrations of the eye following radial keratotomy - initial results. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 29: 280 ()
    • Zadnik K, Murphy CJ, and Mannis MJ. 1988. Resting refractive state of dogs with description of myopia in German Shepherds and Rottweilers. [Abstract]. Amercian Journal of Optometry and Physiological Optics (Suppl). Vol. 65: 48P ()
    • Mutti DO, Zadnik K, Murphy CJ, and Johnson CA. 1989. Refractive changes during phototoxic retinopathy in the rat. [Abstract]. Amercian Journal of Optometry and Physiological Optics (Suppl). Vol. 66: 218P ()
    • Mutti DO, Zadnik K, Murphy CJ, Howland HB, and Johnson CA. 1989. Refractive state of the RCS rat eye measured by retinoscopy. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 30: 508 ()
    • Zadnik K, Barr JT, Gordon MO. 1989. Multi-center survey results: trends in keratoconus. [Abstract]. American Journal of Optometry and Physiological Optics (Suppl). Vol. 66: 56P ()
    • Adams AJ, Zadnik K, and Mutti DO. 1990. The reliability and validity of measurement of the ocular components of refraction. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 31: 417 ()
    • Mutti DO, Zadnik K, and Adams AJ. 1990. The reliability and validity of measurement of the ocular components of refraction [Abstract]. Optometry and Vision Science. Vol. 67: 180P-181P ()
    • Mutti Do, Zadnik K, and Adams AJ. 1990. A video technique for phakometry of the human crystalline lens. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 31: 555 ()
    • Zadnik K, Barr JT, Gordon MO, and the CLEK Study Group. 1990. Contact lens fitting trends in keratoconus: Results from the CLEK (Contact Lens Evaluation in Keratoconus) screening study. [Abstract]. Optometry and Vision Science. Vol. 67: 46P ()
    • Zadnik K, Mutti DO, Adams AJ. 1990. Cross sectional results from the Orinda Longitudinal Study of Myopia. [Abstract]. Optometry and Vision Science (Suppl). Vol. 67: 179P ()
    • Zadnik K, Mutti DO, and Adams AJ. 1990. Survey of ocular components in children: the Orinda longitudinal study of myopia. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 31: 254 ()
    • Barr JT, Gordon MO, Zadnik K, Edrington TB, and the CLEK Study Group. 1991. Corneal photography and grading of corneal scarring photographs - a standardized procedure. [Abstract]. Optometry and Vision Science (Suppl). Vol. 68: 34 ()
    • Barr JT, Gordon MO, Zadnik K, Edrington TB, and the CLEK Study Group. 1991. Method for standardizing photographic evaluation of corneal scarring. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 32: 1221 ()
    • Edrington TB, Barr JT, Zadnik K, Gordon MO, and the CLEK Study Group. 1991. A stadardized rigid contact lens fitting protocol for keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 68: 105 ()
    • Edrington TB, Zadnik K, Barr JT, Gordon MO, and the CLEK Study Group. 1991. Scarring and contact lens fit in keratoconus: results from the CLEK (Contact Lens Evaluation in Keratoconus) Screening Study. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 32: 738 ()
    • Gordon M, Zadnik K, Morgan D, Barr J, Edrington T, and the Contact Lens Evaluation in Keratoconus Study Group. 1991. Improving estimates of sample yield in clinical trials. [Abstract]. Proceedings of the Biopharmaceutical Section of the American Statistical Association: 118-123 ()
    • Gordon MO, Zadnik K, Barr JT, Edrington TB, and the CLEK Study Group. 1991. A low cost screening survey to assess sample yield and refine study entry criteria. [Abstract]. Proceedings of the Society for Clinical Trials ()
    • Mutti DO, Zadnik K, Adams AJ. 1991. Astigmatism in children: what's the rule? [Abstract]. Optometry and Vision Science (Suppl). Vol. 68: 40 ()
    • Mutti DO, Zadnik K, Adams AJ,. 1991. Ocular component correlates of tonic accommodation. [Abstract]. Optometry and Vision Science (Suppl). Vol. 68: 39 ()
    • Mutti DO, Zadnik K, and Adams AJ. 1991. A revised equivalent refractive index of the crystalline lens based on in vivo measurements from the Orinda Longitudinal Study of Myopia. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 32: 1201 ()
    • Zadnik K, Gordon MO, Barr JT, Edrington TB, and the CLEK Study Group. 1991. Profile of keratoconus patients undergoing penetrating keratoplasty. [Abstract]. Optometry and Vision Science (Suppl). Vol. 68: 33 ()
    • Zadnik K, Mutti DO, Adams AJ. 1991. Longitudinal evidence of lens thinning in children from the Orinda longitudinal study of myopia. [Abstract]. Optometry and Vision Science (Suppl). Vol. 68: 40 ()
    • Zadnik K, Mutti DO, and Adams AJ. 1991. Age-related trends of the ocular components and refractive error in childhood. [Abstract]. Technical Digest on Ophthalmic and Visual Optics.. Vol. 2. Washington D.C.: Optical Society of America: 42-45 ()
    • Zadnik K, Mutti DO, and Adams AJ. 1991. Two year refractive error and axial dimension results from the Orinda Longitudinal Study of Myopia. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 32: 1201 ()
    • Adams AJ, Mutti DO, Zadnik K, Egashira E, Kish L, and Twelker JD. 1992. The effect of tropicamide versus cyclopentolate cycloplegia on the measurement of refractive error and crystalline lens power and thickness. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: 709 ()
    • Barr JT, Gordon MO, Zadnik K, Edrington TB, and the CLEK Study Group. 1992. A standardized procedure for corneal photography and grading of corneal scarring in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: 771 ()
    • Barr JT, Zadnik K, Edrington TB, Gordon MO, and the CLEK Study Group. 1992. Corneal photodocumentation and photograph reading method for the Contact Lens Evaluation in Keratoconus (CLEK) 150 Eye Study. [Abstract]. Optometry and Vision Science (Suppl). Vol. 69: 70 ()
    • Burger DS, Gordon MO, Zadnik K, Barr JT, Edrinton TB, and the CLEK Study Group. 1992. A low cost screening survey to assess sample yield and refine study entry criteria. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: 863 ()
    • Edrington TB, Barr JT, Zadnik K, Gordon MO, and the CLEK Study Group. 1992. You can fit steep and we can prove it: a standardized keratoconus fitting and documentation method. [Abstract]. Optometry and Vision Science (Suppl). Vol. 69: 153 ()
    • Edrington TB, Gordon MO, Barr JT, Zadnik K, and the CLEK Study Group. 1992. A standardized method to photodocument and interpret contact lens fluorescein patterns applied to keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: 1295 ()
    • Friedman NE, Zadnik K, Mutti DO, and Adams AJ. 1992. Management of phantom data generated by computerized corneal modeling. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: 697 ()
    • Kish L, Egashira S, Twelker JD, Mutti DO, Zadnik K, Adams AJ. 1992. The effect of tropicamide versus cyclopentolate cycloplegia on the measurement of refractive error and crystalline lens power and thickness. [Abstract]. Optometry and Vision Science (Suppl). Vol. 69: 20 ()
    • Mutti DO, Zadnik K, and Adams AJ. 1992. Dominance genetic variance and the heritability of refractive error. [Abstract]. Optometry and Vision Science (Suppl). Vol. 69: 140 ()
    • Mutti DO, Zadnik K, and Adams AJ. 1992. Estimation of the crystalline lens volume in childhood. [Abstract]. Optometry and Vision Science (Suppl). Vol. 69: 139 ()
    • Mutti DO, Zadnik K, and Adams AJ. 1992. Ocular component correlates of tonic accommodation. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: 709 ()
    • Mutti DO, Zadnik K, and Adams AJ. 1992. Ocular component correlates of tonic accommodation. [Abstract]. Technical Digest on Ophthalmic and Visual Optics.. Vol. 3. Washington D.C.: Optical Society of America: 77-80 ()
    • Zadnik K , Barr JT, Edrington TB, Gordon MO, and the CLEK Study Group. 1992. Feasibility of randomizing keratoconus patients to flat versus steep contact lenses. [Abstract]. Optometry and Vision Science (Suppl). Vol. 69: 137 ()
    • Zadnik K, Friedman NE, Mutti DO, Adams AJ. 1992. Test-retest repeatability of corneal curvature measurements. [Abstract]. Optometry and Vision Science (Suppl). Vol. 69: 136 ()
    • Zadnik K, Mutti DO, and Adams AJ. 1992. Astigmatism in children: what's the rule? [Abstract]. Technical Digest on Ophthalmic and Visual Optics.. Vol. 3. Washington D.C.: Optical Society of America: 68-71 ()
    • Zadnik K, Mutti DO, Friedman NE, and Adams AJ. 1992. Coordinated ocular component development in schoolchildren. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: 709 ()
    • Barr JT, Gordon MO, Zadnik K, Edrington TB, and the CLEK Study Group. 1993. Corneal findings in the Contact Lens Evaluation in Keratoconus Screening Study. [Abstract]. Investigative Opthalmology and Visual Science (Suppl). Vol. 34: 980 ()
    • Barr JT, Van Otteren D, Edrington TB, Zadnik K, Gordon MO, the CLEK Study Group. 1993. Prescriber and reader agreement using a standard method to photodocument contact lens fluorescein patterns in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 70: 21-22 ()
    • Edrington TB, Barr JT, Zadnik K, Gordon MO, the CLEK Study Group. 1993. Selection of initial trial fitting RGP contact lens base curve radius in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 70: 39 ()
    • Edrington TB, Gordon MO, Zadnik K, Barr JT, and the CLEK Study Group. 1993. Achieving and maintaining a comfortable apical clearance RGP contact lens fit in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 34: 1005 ()
    • Friedman NE, Zadnik K, Mutti DO, Adams AJ. 1993. Refractive astigmatism and videokeratographic findings in schoolchildren. [Abstract]. Optometry and Vision Science (Suppl). Vol. 70: 26 ()
    • Friedman NE, Zadnik K, Mutti DO, and Adams AJ. 1993. The application of videokeratoscopy to the measurement of corneal curvature in children. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 34: 1248 ()
    • Klyce SD, Updegraff SA, Smolek MK, McDonald MB, Zadnik K, Mutti DO, and Trokel SL. 1993. Predictability in keratorefractive surgery. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 34: 801 ()
    • Mutti DO, Ver Hoeve JN, Zadnik K, Murphy CJ. 1993. Is there an artifact of retinoscopy? Comparison of retinoscopic to visual evoked potential refraction in the rat. [Abstract]. Optometry and Vision Science (Suppl). Vol. 70: 28 ()
    • Mutti DO, Zadnik K. 1993. The utility of three risk factors for predicting the onset of juvenile myopia. [Abstract]. Optometry and Vision Science (Suppl). Vol. 70: 26 ()
    • Mutti DO, Zadnik K, and Adams AJ. 1993. Estimated growth of the crystalline lens during childhood. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 34: 1353 ()
    • Wood ICJ, Mutti DO, Zadnik K. 1993. Preliminary report of the Berkeley Infant Biometry Study (BIBS) [Abstract]. Optomery and Vision Science (Suppl). Vol. 70: 25 ()
    • Zadnik K, Barr JT, Edrington TB, Gordon MO, the CLEK Study Group. 1993. Scarring and visual acuity in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 70: 22 ()
    • Zadnik K, Mutti DO, Satariano WA, Malani HM, Friedman NE, Sholtz RI, and Adams AJ. 1993. The effect of parental history of myopia on children's ocular components. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 34: 1353 ()
    • Zadnik K, Satariano WA, Mutti DO, Friedman NE, Sholtz RI, Adams AJ. 1993. The effect of parental history of myopia and near work on children's ocular components. [Abstract]. Optometry and Vision Science (Suppl). Vol. 70: 26 ()
    • Barr JT, Gordon MO, Zadnik K, Edrington TB, the CLEK Study Group. 1994. Thirty kertoconus patients randomized to two contact lens treatment methods. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 35: 2164 ()
    • Barr JT, Zadnik K, Gordon MO, Edrington TB, the CLEK Study Group. 1994. The Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study: Historical data and study design. [Abstract]. Optometry and Vision Science (Suppl). Vol. 71: 33 ()
    • Edrinton TB, Zadnik K, Gordon MO, Barr JT, the CLEK Study Group. 1994. Fellow eyes of corneal grafts are at risk for keratoconus disease progression. [Abstract]. Investigative Ophthtalmology and Visual Science (Suppl). Vol. 35: 1359 ()
    • Friedman NE, Zadnik K, Mutti DO. 1994. Longitudinal change in the corneal field of schoolchildren: preliminary findings. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 35: 1804 ()
    • Mannis MJ, Miller M, Marquez M, Zadnik K. 1994. Reliability of retrosepctive chart review studies. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 35: 1529 ()
    • Mannis MJ, Miller M, Marquez M, Zadnik K. 1994. Reliability of retrospective chart review studies. [Abstract]. Third Annual Biomedical Research Colloquium. University of California, Davis School of Medicine ()
    • Mutti DO, Ver Hoeve JN, Zadnik K, Murphy CJ. 1994. Is there an artifact of retinoscopy? Comparison of retinoscopic to visual evoked potential refraction in the rat. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 35: 1804 ()
    • Mutti DO, Ver Hoeve JN, Zadnik K, Murphy CJ. 1994. Is there an artifact of retinoscopy? Comparisons of retinoscopic to evoked potential refraction in the rat. [Abstract]. Vision Science and its Applications, 1994 Technical Digest Series. Vol. 2. Optical Society of America, Washington, DC: 80-83 ()
    • Mutti DO, Zadnik K, Adams AJ. 1994. A comparison of three methods for calculating crystalline lens power in children. [Abstract]. Optometry and Vision Science (Suppl). Vol. 71: 83 ()
    • Qualley P, Zadnik K, Mutti DO, Friedman NE, Adams AJ. 1994. Recruitment of pediatric subjects in a longitudinal study of refractive error. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 35: 1393 ()
    • Wood ICJ, Mutti DO, Zadnik K. 1994. Pilot date from the Berkeley Infant Biometry Study (BIBS). [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 35: 1806 ()
    • Zadnik K, Flanagan JG, Flom MC, Freddo TF, Herman JP, McMahon TT, Schmidt P. 1994. Summer Research Institutes. [Abstract]. Optometry and Vision Science (Suppl). Vol. 71: 32 ()
    • Zadnik K, Mutti DO. 1994. Risk factors for predicting the onset of juvenile myopia. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 35: 1394 ()
    • Zadnik K, Mutti DO, Cutter GR, Chalmers RL. 1994. The effect of the degree of refrative error on hydrogel contact lens wear. [Abstract]. Optometry and Vision Science (Suppl). Vol. 71: 77 ()
    • Zadnik K, Satariano WA, Mutti DO, Sholtz RI, Adams AJ. 1994. Parental refractive error history and myopia development. [Abstract]. Vision Science and its Applications, 1994 Technical Digest Series. Vol. 2. Optical Society of America, Washington D.C.: 109-112 ()
    • Zandik K, Mutti DO, Fusaro RE, Adams AJ. 1994. Crystalline lens thickness and refractive error in children. [Abstract]. Optometry and Vision Science (Suppl). Vol. 71: 149-150 ()
    • Barr JT, Gordon MO, Zadnik K, Edrinton TB. 1995. Quality of life in keratoconus patients. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 36: S75 ()
    • Gorny SM, Zadnik K, Mutti DO. 1995. Parental gender and the risk of junveile onset myopia. [Abstract]. Optometry and Vision Science (Suppl). Vol. 72: 64 ()
    • Mutti DO, Zadnik K, Fusaro RE, Friedman NE, Sholtz RI, Adams AJ. 1995. Longitudinal changes in the equivalent refrative index of the crystalline lens in childhood. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 36: S939 ()
    • Mutti DO, Zadnik K, Fusaro RE, Friedman NE, Sholtz RI, Adams AJ. 1995. Longitudinal changes in crystalline lens parameters in childhood. [Abstract]. Optometry and Vision Science (Suppl). Vol. 72: 95 ()
    • Mutti DO, Zadnik K, Murphy CJ. 1995. The effect of continuous light on the refractive error and ocular components of the rat. [Abstract]. Optometry and Vision Science (Suppl). Vol. 72: 99 ()
    • Tom SL, Mutti DO, Zadnik K. 1995. The internal validity of a near work questionnaire. [Abstract]. Optometry and Vision Science (Suppl). Vol. 72: 65 ()
    • Walline J, Mutti DO, Zadnik K. 1995. Development of phoria in children. [Abstract]. Optometry and Vision Science (Suppl). Vol. 72: 86 ()
    • Walline JT, Mutti DO, Zadnik K. 1995. Development of phoria in children. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 36: S530 ()
    • Zadnik K, Mutti DO, Fusaro RE, Satariano WA, Friedman NE, Sholtz RI, Adams AJ. 1995. Does children's near work interact statistically with parental refractive history in the develpment of juvenile myopia? [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 33: S1072 ()
    • Zadnik K, Mutti DO, Fusaro RE, Satariano WA, Friedman NE, Sholtz RI, adams AJ. 1995. Does children's near work interact statistcally with parental refractive history in the development of juvenile myopia? [Abstract]. Optometry and Vision Science (Suppl). Vol. 72: 94 ()
    • Zandik K, Barr JT, Gordon MO, Edrington TB, CLEK Study Group. 1995. Standardiazation of clinical techniques. [Abstract]. Optometry and Vision Science (Suppl). Vol. 72: 15 ()
    • Barr JT, Zadnik K, Edrington TB, Gordon MO, CLEK Study Group. 1996. Agreement between clinicians and the photograph readers in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 230 ()
    • Edrington TB, Barr JT, Zadnik K, Gordon MO, the CLEK Study Group. 1996. A new mesure of disease severity in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 37: S557 ()
    • Edrinton TB, Zadnik K, Barr JT, Gordon MO, the CLEK Study Group. 1996. Rigid contact lens fitting relationships in keratoconus: standard of care. [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 230 ()
    • Gordon MO, Everett DF, Zadnik K, Barr JT, Edrington TB, CLEK Study Group. 1996. Procedures for hanling criticism and comments from study investigators. [Abstract]. Controlled Clinical Trials (Suppl). Vol. 17: 76S ()
    • Mutti DO, Friedman NE, Sholtz RI, Zadnik K. 1996. Peripheral refraction and refractive error in shoolchildren. [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 73 ()
    • Mutti DO, Twlker JD, Kerschbaum S, Zadnik K. 1996. Repeatability of ocular component measurement in infants. [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 75 ()
    • Tom S, Chester KE, Mutti DO, Zadnik K. 1996. Cyclopentolate versus tropicamide cycloplegia for determining refrative error in young esotropes. [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 74 ()
    • Walline JJ, Zadnik K. 1996. Opaque soft contact lens to mask glare secondary to radial keratotomy: a case report. [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 236 ()
    • Zadnik K, Bullimore MA, Barr JT, Gordon MO, Edrington TB, CLEK Study Group. 1996. Recruitment for a large-scale clinical study via the World Wide Web and the Internet [Abstract]. Controlled Clinical Trials (Suppl). Vol. 17: 76S ()
    • Zadnik K, Bullimore MA, Barr JT, Gordon MO, Edrington TB, CLEK Study Group. 1996. Recruitment for a large-scale clinical study via the World Wide Web and the Internet. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 37: S305 ()
    • Zadnik K, Davis LJ, McMahon TT, Schornack JA, Gordon MO, the CLEK Study Group. 1996. Repeatability of visual acuity measurement in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 68 ()
    • Zadnik K, Mutti DO, Sholtz RI, Friedman NE, Fusaro RE. 1996. Log-spline estimation of the distributions of refractive error and the ocular components. [Abstract]. Optometry and Vision Science (Suppl). Vol. 73: 72 ()
    • Barr JT, Peirce GE, Edrington TB, Zadnik K, Gordon MO, the CLEK Study Group. 1997. Baseline test-retest findings of corneal scarring in the CLEK Study. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 38: S132 ()
    • Bullimore MA, Jones LA, Zadnik K, Payor RE, Moeschberger ML. 1997. Adult myopic progression: incidence and risk factors. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 32 ()
    • Caspar JJ, Zadnik K, Mutti DO, Mannis MJ. 1997. Usage patterns of donor tissue in penetrating keratoplasty. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 38: S1098 ()
    • Davis LJ, Schechtman K, Shin JA, Begley CG, Gordon MO, Zadnik K, CLEK Study Group. 1997. Repeatability of manifest refraction and contact lens over-refraction in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 147 ()
    • Edrington TB, Szczotka LB, Begley CG, Burger DS, Wilson BS, Zadnik K, Gordon MO, CLEK Study Group. 1997. Repeatability of two corneal curvature assessments in keratoconus: keratometry and the first definite apical clearance lens. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 149 ()
    • Gordon MO, Achtenberg J, Schornack JA, Pensyl CD, Barnhart LA, McMahon TT, Roediger TA, Zadnik K, CLEK Study Group. 1997. Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study: quality of life. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 94 ()
    • Jones LA, Bullimore MA, Zadnik K , Moeschberger ML, Payor RE, Mutti DO, Kim HS. 1997. Refrative error changes in the over 45 year old age group. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 38: S1158 ()
    • Jones LA, Bullimore MA, Zadnik K, Kim S, Payor RE, Mutti DO, Moeschberger ML. 1997. Refractive error changes in the over 45 year old age group. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 32 ()
    • Kinney KA, Nichols JN, Zadnik K. 1997. Evaluation of diagnostic techniques for dry eye syndrome. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 24 ()
    • Kleinstein RN, Mutti DO, Manny RE, Shin JA, Zadnik K. 1997. Efficacy of cycloplegia in African-American children. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 183 ()
    • McMahon TT, Shin J, Newlin A, Edrington T, Sugar J, Zadnik K. 1997. Discordance for keratoconus in two pairs of monozygotic twins. [Abstract]. Investigative Ophthamology & Visual Science (Suppl). Vol. 38: S960 ()
    • Mutti DO, Frane S, Kirschbaum SJ, Lin WK, Sholtz RI, Twelker JD, Zadnik K. 1997. Longitudinal changes in axial length and lens thickness in infants. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 29 ()
    • Mutti DO, Sholtz RI, Friedman NE, Zadnik K. 1997. Peripheral refraction and ocular shape in children. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 38: S1157 ()
    • Mutti DO, Zadnik K, Kim H, Jones LA, Qiu P, Moeschberger ML. 1997. Tonic accomodation in children. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 31 ()
    • Raasch TW, Szczotka LB, McMahon TT, Friedman NE, Davis LJ, CLEK Study Group. 1997. Quantitative features of corneal topography in keratoconus. [Abstract]. Optometry and Vision Science. Vol. 74: 148 ()
    • Shin JA, Manny R, Kleinstein R, Mutti DO, Zadnik K. 1997. Short-term repeatability of handheld keratometry measurements. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 183 ()
    • Szczotka LB, Friedman NE, Davis LJ, McMahon TT, and the CLEK Study Group. 1997. Videokeratographic data quality and disease severity in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 38: S1090 ()
    • Walline JJ, Kinney KA, Mutti DO,Zadnik K. 1997. Repeatability of astigmatism measurements. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 38: S850 ()
    • Walline JJ, Zadnik K. 1997. Keratoconus patients' concerns about their disease. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 93 ()
    • Walline JJ, Zadnik K. 1997. Retention of subjects in clinical trials: the Contact Lens and Myopia Progression (CLAMP) example. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 89 ()
    • Zadnik K, Barr JT, Edrington T, Gordon M, CLEK Study Group. 1997. Late visit reports to ensure patient retention. [Abstract]. Controlled Clinical Trials. Vol. 118: 102S ()
    • Zadnik K, Gordon MO, Schechtman K, Davis LJ, McMahon TT, Schornack JA, and the CLEK Study Group. 1997. Visual acuity repeatability in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 38: S845 ()
    • Zadnik K, Gordon MO, Wagner H, Sterling JL, Shin JA, Jameson M, Everett DF, CLEK Study Group. 1997. Baseline patient-reported findings from the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Optometry and Vision Science. Vol. 74: 148 ()
    • Zadnik K, Mutti DO, Friedman NE, Jones LA, Moeschberger ML. 1997. Was Hirsch right? Prediction of myopia onset in childhood. [Abstract]. Optometry and Vision Science (Suppl). Vol. 74: 31 ()
    • Bailery MD, Walline JJ, Zadnik K. 1998. Visual acuity in contact lens wearers. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 188 ()
    • Barr JT, Edrington TB, Zadnik K, Gordon MO, CLEK Study Group. 1998. Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study: Baseline demographics and clinical characteristics. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 39: S67 ()
    • Barr JT, Zadnik K, Gordon MO, Edrington TB, McMahon TT, the CLEK Study Group. 1998. Correlates of corneal scarring in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 20 ()
    • Bullimore MA, Jones LA, Zadnik K. 1998. Adult myopia progression is not associated with near work. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 72 ()
    • Bullimore MA, Jones LA, Zadnik K, Moeschberger ML, Payor RE. 1998. Adult myopic progression: incidence and risk factors. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 39: S640 ()
    • Edrington TB, Barr JT, Schechman KB, Fink BA, Pierce GE, Pensyl CD, Zadnik K, Gordon MO, the CLEK Study Group. 1998. Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study: Corneal scarring at baseline and repeatability of detection. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 21 ()
    • Jeandervin M, Zadnik K, Mutti DO, Jones LA. 1998. Near work performance: Agreement between parent and child report. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 230 ()
    • Khames KM, Mutti DO, Zadnik K. 1998. Intraocular pressure, age, and refractive error in a sample of school-aged children. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 180 ()
    • Kinney KA, Jones LA, Zadnik K. 1998. The repeatability of clinical measurements of dry eye. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 39: S539 ()
    • Kinney KA, Zadnik K. 1998. Repeatability of the NEI-VFQ in patients with dry eye. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 64 ()
    • Kinney KA, Zadnik K. 1998. Relations among dry eye diagnostic tests in a dry eye sample. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 65 ()
    • Kleinstein RN, Mutti DO, Manny RE, Shin JA, Zadnik K. 1998. Cycloplegia in African American children. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 39: S943 ()
    • Merchea M, Zadnik K, Barr JT, Edrington TB, McMahon TT, Gordon MO, the CLEK Study Group. 1998. The Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study piggyback feasibility pilot study. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 157 ()
    • Mutti DO, Frane S, Lin WK, Sholtz RI, Zadnik K. 1998. Cross-sectional changes in crystalline lens curvature and power in infants. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 70 ()
    • Mutti DO, Jones LA, Zadnik K. 1998. AC/A ratio, age, and refractive error in children. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 71 ()
    • Mutti DO, Jones LA, Zadnik K. 1998. AC/A ration, age, and refractive error in children. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 39: S639 ()
    • Raasch TW, McMahon TT, Szczotka LB, Friedman NE, Anderson RJ, Davis LJ, CLEK Study Group. 1998. Fundamental component differences in topography between keratoconic and normal corneas. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 39: S635 ()
    • Sims J, Kleinstein RN, Shipp MD, Manny RE, Mutti DO, Shin JA, Jones LA, Zadnik K, the CLEERE Study Group. 1998. Need for eyecare in a minority community. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 78 ()
    • Walline JJ, Edrington TB, Barr JT, Zadnik K, Gordon MO, the CLEK Study Group. 1998. Health related quality of life in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 21 ()
    • Walline JJ, Gordon MO, Edrington TB, Barr JT, Zadnik K, CLEK Study Group. 1998. Quality of life in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 39: S668 ()
    • Zadnik K, Barr JT, Edrington TB, Wilson BS, Nichols JJ, Gordon MO, the CLEK Study Group. 1998. Impact of scarring in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 20 ()
    • Zadnik K, Mutti DO, Friedman NE, Jones LA, Moeschberger ML. 1998. Prediction of myopia onset in children. [Abstract]. Investigative Ophthalmology & Visual Science (Suppl). Vol. 39: S898 ()
    • Zadnik K, Mutti DO, Kleinstein RN, Manny RE, Shin JA, Jones LA, the CLEERE Study Group. 1998. Refractive error and ocular components as a function of ethnicity. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 70 ()
    • Barr JT, Gordon MO, Zadnik K, Edrington TB, McMahon TT, Everett DF, and the CLEK Study Group. 1999. Incident corneal scarring estimates in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S769 ()
    • Barr JT, Zadnik K, Gordon MO, Edrington TB, McMahon TT, Everett DF, the CLEK Study Group. 1999. Estimating incident corneal scarring in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 213 ()
    • Bullimore MA, Jones LA, Zadnik K. 1999. Adult myopia progression is not associated with near work. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S594 ()
    • Edrington TB, Barr JT, Zadnik K, Fink BA, Nichols JJ, Gordon MO, and the CLEK Study Group. 1999. Correlation of corneal scarring with clinical measures and patient outcomes at baseline in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S911 ()
    • Edrington TB, Gundel RE, Libassi DP, Wagner H, Pierce GE, Walline JJ, Barr JT, Wison BS, Gordon MO, the CLEK Study Group. 1999. The effect of rigid contact lens peripheral clearance on patient comfort in the Collaborative Longitudinal Evaluaiton of Keratoconus (CLEK) Study. [Abstract]. Optometry and Vision Science (Suppl). Vol. 76: 210 ()
    • Giedd BS, Barr JT, Zadnik K, Gordon MO, Schechtman KB. 1999. Nonsteroidal anti-inflammatory drug (NSAID) treatment of keratoconus pilot study. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 58 ()
    • Gordon MO, Beiser JA, Zadnik K, Barr JT, Edrington TB, McMahon TT, and the CLEK Study Group. 1999. Correlation of NEI-Visual Function Questionnaire (VFQ) with clinical measures in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S769 ()
    • Jeandervin M, Mitchell GL, Mutti DO, Zadnik K. 1999. Use of the experience sampling method for near work assessment. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 184 ()
    • Jeandervin M, Mutti DO, Jones LA, Walline JJ, Zadnik K. 1999. Near work performance: agreement and repeatability of parent and child reports. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S696 ()
    • Kinney KA, Zadnik K. 1999. Repeatability of the NEI-VFQ in patients with dry eye syndrome. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S910 ()
    • Kleinstein RN, Jones LA, Hullett S, Kwon S, Lee RJ, Manny RE, Mutti DO, Shin JA, Zadnik K, the CLEERE Study Group. 1999. Prevalence of myopia, hyperopia, and astigmatism in children from four ethnic groups - the CLEERE Study [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 219 ()
    • McMahon TT, Anderson RJ, Szczotka LB, Davis LJ, Friedman NE, Raasch TW. 1999. Readability of EyeSys topography data in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 22 ()
    • Mitchell GL, Zadnik K, Mutti DO, Jones LA, Moeschbeger ML. 1999. Normal eye growth in emmetropic schoolchildren. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 217 ()
    • Mutti DO, Frane SL, Lin WK, Sholtz RI, Zadnik K. 1999. Refractive error and ocular componenets in infants. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S754 ()
    • Mutti DO, Jones LA, Zadnik K, Friedman NE, Kleinstein RN, Manny RE, Shin JA, Sims J, Wensveen JM, the CLEERE Study Group. 1999. Crystalline lens radii of curvature and ethnicity in the Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 218 ()
    • Mutti DO, Sholtz RI, Frane SL, Friedman NE, Lin WK, Zadnik K. 1999. Corneal power, toricity, and refractive astigmatism in infancy. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 217 ()
    • Nichols JJ, Nichols KK, Zadnik K. 1999. Frequency of dry eye diagnostic test procedures performed in various modes of ophthalmic practice. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 230 ()
    • Raasch TW, Anderson RJ, McMahon TT, Friedman NE, Szczotka LB, Davis LJ, the CLEK Study Group. 1999. Repeatability of topography measurement in keratoconus. [Abstract]. Optometry and Vision Science (Suppl). Vol. 75: 22 ()
    • Walline JJ, Bailey MD, Zadnik K. 1999. Vision-specific quality of life and modes of corection. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 40(suppl): S431 ()
    • Walline JJ, Zadnik K. 1999. Child and parent agreement on report of contact lens wearing time and comfort. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 158 ()
    • Watson R, Irvin BC, Zadnik K. 1999. The repeatability of auto-refractors. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 185 ()
    • Zadnik K, Irvin BC, Jones LA, Kleinstein RN, Manny RE, Shin JA, Mutti DO, the CLEERE Study Group. 1999. Nighttime lighting is not associated with myopia. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 219 ()
    • Zadnik K, Mutti DO, Friedman NE, Qualley PA, Jones LA, Mitchell GL, Kim HS, Moeschberger ML. 1999. Comparison of myopia prevalence in one community across 40 years. [Abstract]. Optom Vis Sci (Suppl). Vol. 76: 218 ()
    • Zadnik K, Mutti DO, Kleinstein RN, Manny RE, Shin JA, Jones LA, and the CLEERE Study Group. 1999. Refractive error and ocular components as a function of ethnicity. [Abstract]. Invest Opthalmol Vis Sci. Vol. 40(suppl): S754 ()
    • Betts AM, Zadnik K. 2000. Visual performance and comfort with the Rose K contact lens for keratoconus. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 250 ()
    • Giedd KK, Zadnik K. 2000. Personality in keratoconus. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 220 ()
    • Irvin BC, Chandler M, Nichols KK, Zadnik K. 2000. An evaluation of the Touch Scientific Lactoferrin Microassay System: repeatability of tear lactoferrin measurements. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 121 ()
    • Jeandervin M, Mitchell GL, Mutti DO, Zadnik K. 2000. Quantification of daily visual activities: repeatability of the experience sampling method. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 41 (suppl): S299 ()
    • Jeandervin M, Mitchell GL, Mutti DO, Zadnik K. 2000. use of the experience sampling method for near work assessment. [Abstract]. Myopia 2000. Proceedings of the VIII International Conference on Myopia: 336-339 ()
    • Jeandervin M, Walline JJ, Mitchell GL, Muttti DO, Zadnik K. 2000. Use of the Experience Sampling Method for near work assessment in children. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 26 ()
    • Kleinstein RN, Jones LA, Hullett S, Kwon S, Lee RJ, Manny RE, Mutti DO, Shin JA, Zadnik K, the CLEERE Study Group. 2000. Prevalence of myopia, hyperopia, and astigmatism in children from four ethnic groups - the CLEERE Study. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 41 (suppl): S299 ()
    • Manny RE, Mitchell GL, Jones LA, Mutti DO, Zadnik K, the CLEERE Study Group. 2000. Refractive error and near phoria in the Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study [Abstract] ()
    • Mitchell BL, Nichols JJ, Zadnik K. 2000. The incidence, type, and location of corneal staining as a result of hydrogel extended wear. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 120 ()
    • Mitchell GL, Jones LA, Friedman NE, Zadnik K, Mutti DO. 2000. Ocular growth patterns in children. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 41 (suppl): S299 ()
    • Mutti DO, Jones LA, Irvin BC, Kleinstein RN, Manny RE, Shin JA, Zadnik K, the CLEERE Study Group. 2000. Nursery lighting is not associated with myopia. [Abstract]. Myopia 2000. Proceedings of the VIII International Conference on Myopia.: 313-316 ()
    • Mutti DO, Mitchell GL, Moeschberger ML, Jones LA, Zadnik K. 2000. The association between parental myopia, near work, and children's refractive error. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 26 ()
    • Nichols JJ, Mitchell GL, Zadnik K. 2000. Patient-reported outcomes from a randomized contact lens clinical trial: the Refractive Status and Vision Profile (RSVP). [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 260 ()
    • Nichols JJ, Mitchell GL, Zadnik K. 2000. Daily disposables vs. disposable extended wear: explaining and predicting patient-reported preferences. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 21 ()
    • Pierce GE, Barr JT, Edrington TB, Gordon MO, Jeandervin M, Flom RE, Fink BA, Zadnik K, the CLEK Study Group. 2000. A technique to improve the agreement between two methods of evaluating cornea-to-contact lens base curve fluorescein patterns in the CLEK Study. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 225 ()
    • Pierce GE, Fink BA, Barr JT, Edrington TB, Schechtman KB, Jeandervin M, Flom R, Zadnik K, the CLEK Study Group. 2000. A comparison of two methods of evaluating cornea-to-contact lens base curve fluorescein patterns in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science. Vol. 41 (Suppl): S72 ()
    • Walline JJ, Mutti DO, Jones LA, Zadnik K. 2000. Baseline characteristics of the Contact Lens Myopia Progression (CLAMP) Study. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 213 ()
    • Walline JJ, Mutti DO, Zadnik K. 2000. The Contact Lens and Myopia Progression (CLAMP) Study early results. [Abstract]. Myopia 2000. Proceedings of the VIII International Conference on Myopia.: 357-361 ()
    • Wensveen JM, Zadnik K, the CLEERE Study Group. 2000. Reliability of the diagnosis of optic disc dysversion. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 284 ()
    • Zadnik K, Mutti DO. 2000. Let's define myopia: a need for consensus? [Abstract]. Myopia 2000. Proceedings of the VIII International Conference on Myopia: 320-324 ()
    • Zadnik K, Mutti DO, the CLEERE Study Group. 2000. Defining myopia. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 25 ()
    • Zadnik K, Mutti DO, the CLEERE Study Group. 2000. Defining myopia. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 24 ()
    • Zadnik K, Schechman KB, Nichols JJ, Fink BA, Tyler J, Rosenstiel CE, Steger-May K, the CLEK Study Group. 2000. Asymmetry in keratoconus. [Abstract]. Investigative Ophthalmology and Visual Science (Suppl). Vol. 41: S678 ()
    • Zadnik K, Schechtman KB, Nichols JJ, Fink BA, Tyler J, Rosenstiel, Shin JA, Joslin CE, Steger-May K, the CLEK Study Group. 2000. Disease asymmetry in keratoconus. [Abstract]. Optom Vis Sci (Suppl). Vol. 77: 117 ()
    • Bailey MD, Mitchell GL, Zadnik K. 2001. Corneal factors affecting subjective visual outcomes of laser in situ keratomileusis. [Abstract]. Optom Vis Sci. Vol. 78(Suppl): 230 ()
    • Barr J, Zadnik K, Edrington TB, McMahon T, Gordon M, Wilson B, the CLEK Study Group. 2001. Estimate of and factors associated with incident corneal scarring in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Optom Vis Sci. Vol. 78(suppl): 26 ()
    • Barr JT, Gordon MO, Wilson BS, Zadnik K, Edrington TB, McMahon TT, Everett DF, the CLEK Study Group. 2001. Factors associated with incident corneal scarring in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 42: S83 ()
    • Bornhorst TD, Walline JJ, Zadnik K. 2001. Non-contact axial length measurement in children. [Abstract]. Optom Vis Sci. Vol. 78 (suppl): 81 ()
    • Davis WR, Zadnik K, Mutti DO, Raasch T, Friedman NE, Mitchel GL. 2001. Cross-sectional evaluation of corneal asphiericity in children. [Abstract]. Optom Vis Sci. Vol. 78 (suppl): 28 ()
    • Huffman S, Mutti DO, Zadnik K. 2001. The repeatability of autorefractors. [Abstract]. Optom Vis Sci. Vol. 78(suppl): 83 ()
    • Jones LA, Mitchell GL, Zadnik K, Mutti DO, and the CLEERE Study Group. 2001. Agreement between parent-reported and clinician-assessed race in the CLEERE Study. [Abstract]. Controlled Clinical Trials. Vol. 22: 98S ()
    • Kelley SS, Mitchell GL, Stokkermans T, Zadnik K. 2001. Vision after pupil dilation. [Abstract]. Optom Vis Sci. Vol. 78(Suppl): 169 ()
    • McMahon T, Anderson R, Szczotka L, Robert C, Mahmoud A, Friedman N, Davis L, Raasch T. 2001. Clinicotopographic correlates in keratoconus: the relation between visual acuity and topographic indices. [Abstract]. Optom Vis Sci. Vol. 78: 57 ()
    • Mutti DO, Jones LA, Mitchell GL, Moeschberger ML, Zadnik K. 2001. Accomodative lag and refractive error in children. [Abstract]. Optom Vis Sci (Suppl). Vol. 78: errata sheet ()
    • Mutti DO, Mitchell GL, Jones LA, Moeschberger ML, Frane SL, Friedman NE, Lin WK, Zadnik K. 2001. Ocular component contributions to emmetropization in infants. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 42: S390 ()
    • Nichols KA, Irvin BC, Chandler M, Zadnik K. 2001. Repeatability of tear lactoferrin measurements. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 42: S262 ()
    • Rah MJ, Mitchell Gl, Mutti DO, Zadnik K. 2001. A comparison of near work activities between two testing protocols. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 42: S393 ()
    • Saracino M, Nichols J, Mitchell L, Zadnik K. 2001. The repeatability of subjective refraction, visual acuity, and refractive error-specifc qualtiy of life survey instruments. [Abstract]. Optom Vis Sci. Vol. 78 (suppl): 84 ()
    • Walline JJ, Jones LA, Mutti DO, Zadnik K. 2001. Predicting successful RGP contact lens wearers. [Abstract]. Optom Vis Sci. Vol. 78 (suppl): 27 ()
    • Walline JJ, Rah MJ, Mutti DO, Mitchell GL, Zadnik K. 2001. Parent and child report of contact lens wearing time. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 42: S599 ()
    • Zadnik K, Mitchell GL, Jones LA, Mutti DO. 2001. Ocular component development as a function of refractive error. [Abstract]. Optom Vis Sci. Vol. 78(Suppl): 237 ()
    • Zadnik K, Mutti DO, Mitchell GL, Jones LA, Moeschberger ML. 2001. The association between parental myopia, near work, and children's refractive error. [Abstract]. Invest Ophthalmol Vis Sci. Vol. 42: S301 ()
    • Bailey MD, Mitchell G, Zadnik K. 2002. Risk factors for subjective visual symptoms after laser in situ keratomileusis. [Abstract]. ARVO abstract #4144. http://www.arvo.org ()
    • Bailey MD, Mitchell GL, Zadnik K. 2002. Reason for recommending laser in situ keratomileusis (LASIK). [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 10 ()
    • Barr JT, Zadnik K, Edrington T, McMahon T. 2002. Visual acuity and quality of life after penetrating keratoplasty. [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 5 ()
    • Davis W, Zadnik K, Mutti DO, Raasch TW, Friedman NE. 2002. Longitudinal evaluation of corneal shape in children. [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 235 ()
    • Davis WR, Zadnik K, Mutti D, Raasch T, Friedman N, Mitchell G. 2002. Corneal shape in children. [Abstract]. ARVO abstract # 175. http://www.arvo.org ()
    • Hayes JR, Mutti DO, Jones LA, Mitchell GL, Moescheberger ML, Zadnik K. 2002. Heritability of myopia as a function of age and family relationship. [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 198 ()
    • Jones LA, Mitchell GL, Mutti DO, Friedman NE, Moeschberger ML, Zadnik K. 2002. Growth of ocular components as a function of refractive error groups. [Abstract]. ARVO abstract #2025. http://www.arvo.org ()
    • McMahon TT, Anderson RJ, Szczotka LB, Roberts C, Mahomoud A, Friedmna NE, Davis LJ, Raasch TW, the CLEK Study Group. 2002. The relation between visual acuity and topographic indices in keratoconus. [Abstract]. ARVO abstract #142. http://www.arvo.org ()
    • Mutti DO, Hayes JR, Jones LA, Zadnik K, Kleinstien RN, Manny RE Yu JA, the CLEERE Study Group. 2002. Accommodative lag in corrected and uncorrected hyperopia. [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 10 ()
    • Mutti DO, Hayes JR, Jones LA, Zadnik K, Kleinstien RN, Manny RE Yu JA, the CLEERE Study Group. 2002. Accommodative lag in corrected and uncorrected hyperopia. [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 196 ()
    • Mutti DO, Jones LA, Mitchell GL, Moeschberger ML, Zadnik K. 2002. Excess accommodative lag accompanies but does not precede the onset of myopia. [Abstract]. ARVO abstract #1512. http://www.arvo.org ()
    • Zadnik K, Barr JT, Edrington TB, McMahon TT, Gordon MO. 2002. Flat vs. steep: the effect of rigid contact lens fitting method in keratoconus. [Abstract]. ARVO abstract #3225. http://www.arvo.org ()
    • Zadnik K, Jones LA, Mitchell GL, Mutti DO. 2002. Prediction of juvenile myopia onset. [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 199 ()
    • Zadnik K, Mitchell GL, Mutti DO, Jones LA, Manny RE, Kleinstein RN, Yu JA, the CLEERE Study Group. 2002. The ocular components in emmetropes as a function of ethnicity. [Abstract]. Optom Vis Sci. Vol. 79(Suppl): 197 ()
    • Bailey MD, Mitchell G, Twa MD, Zadnik K. 2003. Performance of the NEI-RQL-42 in a population of patients seeking laser in situ keratomileusis. [Abstract]. ARVO abstract #2569. http://www.arvo.org ()
    • Bailey MD, Mitchell GL, Zadnik K. 2003. The repeatability and agreement of autorefraction measurements in patients after laser in situ keratomileusis. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 113 ()
    • Barr J, the CLEK Study Group. 2003. Hybrid contact lens wearers in the Collaborative Longitudinal Evaluation of keratoconus (CLEK) Study. [Abstract]. Optom Vis Sci. Vol. 80 (Suppl): 101 ()
    • Davis W, Zadnik K. 2003. The visual performance of an aspheric soft contact lens. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 184 ()
    • Jones LA, Mitchell GL, Mutti DO, Moeschberger ML, Hayes JR, Zadnik K. 2003. Growth of the ametropic eye in comparison to the "normal" eye. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 126 ()
    • Joslin C, Wilson B, Barr JT, Gordon M, Zadnik K. 2003. Clinical outcomes in keratoconus following penetrating keratoplasty. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 221 ()
    • Miller S, Bailey M, Mitchell GL, Zadnik K. 2003. Differences between habitual and best-corrected visual acuity that lead to patient complaints of blur. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 115 ()
    • Mutti DO, Mitchell GL, Jones LA, Hayes JR, Moeschberger ML, Zadnik K. 2003. Ocular components before and after the onset of myopia. [Abstract]. ARVO abstract #3115. http://www.arvo.org ()
    • Mutti DO, Mitchell GL, Jones LA, Moeschberger ML, Frane SL, Friedman NE, Lin WK, Zadnik K. 2003. Ocular component development and changes in the rate of emmetropization between 9 and 18 months in human infants. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 16 ()
    • Nichols JJ, Steger-May KJ, Edrington TB, Zadnik K, CLEK Study Group. 2003. The relation between disease asymmetry and severity in keratoconus. [Abstract]. ARVO abstract #1313. http://www.arvo.org ()
    • Nichols KK, Jones LA, Jackson RD, Zadnik K. 2003. Dry eye in postmenopausal women enrolled in the observational study cohort of the Women's Health Initiative. [Abstract]. ARVO abstract #2462. http://www.arvo.org ()
    • Rah MJ, Walline JJ, Mitchell GL, Zadnik K. 2003. Comparison of the Experience Sampling Method to vision questionnaires. [Abstract]. ARVO abstract #4768. http://www.arvo.org ()
    • Saracino M, Mutti DO, Zadnik K. 2003. Does accommodation or accommodative convergence affect axial length measurement? [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 18 ()
    • Wagner H, Wilson B, Fink B, Zadnik K, CLEK Study Group. 2003. Gender differences in the Collaborative Longtiudinal Evaluation of Keratoconus (CLEK) Study. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 101 ()
    • Zadnik K, Hayes JR, Jones LA, Mutti DO, Mitchell GL, Manny RE, Kleinstien RN, Yu JA, CLEERE Study Group. 2003. Incident myopia and parental history of myopia. [Abstract]. Optom Vis Sci. Vol. 80(Suppl): 16 ()
    • Zadnik K, Schechtman KB, Wilson BA, Barr JT, Edrington TB, McMahon TT, Everett DF, Gordon MO, CLEK Study Group. 2003. Visual acuity loss in keratoconus. [Abstract]. ARVO abstract #1308. http://www.arvo.org ()
    • Edrinton TB, Joslin CE, Wilson B, Gordon M, Zadnik K, the CLEK Study Group. 2004. Clinical outcomes in keratoconus following penetrating keratoplasty. [Abstract]. ARVO abstract #1376. http://www.arvo.org ()
    • Johnson E, Jones LA, Walline JJ, Prinstein MJ, the ACHIEVE Study Group. 2004. Repeatability and validity of spectacle surveys for children. [Abstract]. Optom Vis Sci. Vol. 81 (Suppl): 45 ()
    • Kymes SM, Wilson BS, Gordon MO, the CLEK Study Group. 2004. Quality of life and penetrating keratoplasty in patients with keratoconus. Results from the Collaborative Longitudinal Evaluation of Keratoconus (CLEK). [Abstract]. ARVO abstract #1376. http://www.arvo.org ()
    • McMahon TT, Anderson RJ, Szczotka-Flynn LB, Libassi D, Gundel R, Roberts C, Mahmoud AM, the CLEK Study Group. 2004. Gender differences in cone apex location in keratoconus. [Abstract]. ARVO abstract #2894. http://www.arvo.org ()
    • Twelker JD, Bhakta D, Messer DO, Mutti DO, Mitchell GL, Jones LA, Zadnik K, CLEERE Study Group. 2004. Gender- and age-specific differences in the ocular components in southern Arizona school-aged children. [Abstract]. ARVO abstract #5618. http://www.arvo.org ()
    • Walline JJ, Jones LA, Chitkara M, Coffey B, Jackson JM, Manny RE, Rah MJ, Zadnik K, the ACIEVE Study Group. 2004. The Adolescent and Child Health Initiative to Encourage vision Empowerment (ACHIEVE) Study. [Abstract]. Optom Vis Sci. Vol. 81(Suppl): 85 ()
    • Bailey MD, Mitchell GL, Sinnott LT, Berntsen DA, Zadnik K. 2005. Evaluation of multiple conditions for measuring visual acuity. [Abstract]. American Academy of Optometry annual meeting program number 050026. http://www.aaopt.org ()
    • Bildstein TM, Hayes JR, Zadnik K. 2005. The effectiveness of the See Clearly Method. [Abstract]. Amercian Academy of Optometry annual meeting program number 055426. http://www.aaopt.org ()
    • Chu RH, Sinnott LT, Mutti DO, Zadnik K, the CLEERE Study Group. 2005. Effects of Asian ethnicity and age of onset on progression of myopia in the CLEERE Study. [Abstract]. Amercian Academy of Optometry annual meeting program number 055400. http://www.aaopt.org ()
    • Jones LA, Sinnott L, Mitchell GL., Mutti DO, Moeschberger Ml, Zadnik K. 2005. How well do parental history and near work predict myopia? [Abstract]. E-abstract #5452. http://www.iovs.org ()
    • Kymes SM, Walline JJ, Zadnik K, Wilson BS, Gordon MO, CLEK Study Group. 2005. A longitudinal study of the quality of life of people with keratoconus: a report from the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study [Abstract]. ARVO abstract #4945. http://www.arvo.org ()
    • Messer DH, Cotter SA, Kleinstein RN, Manny RE, Mutti DO, Hayes JR, Mitchell GL, Jones LA, Moeschberger ML, Zadnik K. 2005. Ocular components as a function of age and gender among school-aged children. [Abstract]. Amercian Academy of Optometry annual meeting program number 050037.. http://www.aaopt.org ()
    • Messer DH, Twelker JD, Bhakta RM, Zadnik K, Mutti DO, the CLEERE Study Group. 2005. Factors affecting the utilization of spectacles in school-aged children. [Abstract]. American Acadmey of Optometry annual meeting program number 055421. http://www.aaopt.org ()
    • Mutti DO, Hayes JR, Mitchell GL, Jones LA, Moeschberger ML, Zadnik K, Cotter SA, Kleinstein RN, Manny RE, Twelker JD. 2005. The effect of ethnicity on axial length and ocular shape before and after the onset of myopia. [Abstract]. ARVO abstract #4623. http://www.arvo.org ()
    • Mutti DO, Hayes JR, Mitchell GL, Jones LA, Moeschberger ML, Zadnik K, Cotter SA, Kleinstein RN, Manny RE, Twelker JD, the CLEERE Study Group. 2005. Crystalline lens thickness, shape, and power before and after the onset of myopia. [Abstract]. Amercian Academy of Optometry annual meeting program number 050036. http://www.aaopt.org ()
    • Richdale KR, Mitchell GL, Zadnik K. 2005. Performance of the Bausch & Lomb Soflens multifocal and monovision. [Abstract]. Amercian Academy of Optometry annual meeting program number 055134. http://www.aaopt.org ()
    • Walline JJ, Prinstein MJ, Jones LA, the ACIEVE Study Group. 2005. Factors associated with spectacle satisfaction of children. [Abstract]. ARVO abstract #5608. http://www.arvo.org ()
    • Zadnik K, Schechtman KB, Davis LJ, Gundel RE, Libassi DP, Riley CE, Rosenstiel CE, Wilson BS, Gordon MO, CLEK Study Group. 2005. Predictors of visual acuity loss in keratoconus. [Abstract]. ARVO abstract #4947. http://www.arvo.org ()
    • Berntsen DA, Mutti DO, Zadnik K. 2006. Validation of aberrometry-based relative peripheral refraction measurements. [Abstract]. Amercian Academy of Optometry annual meeting program number 060082. http://www.aaopt.org ()
    • Garvey K, Mitchell GL, Messer DH, Twelker JD, Cotter SA, Mutti DO, Zadnik K, the CLEERE Study Group. 2006. Inter-observer repeatability for near phoria measurement using the alternates cover test. [Abstract]. American Academy of Optometry annual meeting program number 065019. http://www.aaopt.org ()
    • Messer DH, Twelker JD, Zadnik K, Mutti DO, the CLEERE Study Group. 2006. Survey of children's attitudes about their vision and glasses. [Abstract]. American Academy of Optometry annual meeting program number 065386. http://www.aaopt.org ()
    • Mutti DO, Mitchell GL, Hayes JR, Jones LA, Moeschberger ML, Cotter SA, Kleinstein RN, Manny RE Twelker JD, Zadnik K. 2006. The response AC/A ration before and after the onset of myopia. [Abstract]. E-abstract #5455. http://www.iovs.org ()
    • Zadnik K, Wilson BS, Gordon MO, the CLEK Study Group. 2006. Age in keratoconus. [Abstract]. E-abstract #2951. http://www.iovs.org ()


    Send email to Dr. Karla Zadnik

    Associate Dean and Professor
    Phone:   (614) 292-6603
    U.S. Postal Address:
     Dr. Karla Zadnik
    The Ohio State University
    College of Optometry
    338 W. 10th Ave
    Columbus, OH 43210-1280