Contact Lens & Anterior Eye
Volume 35, Issue 1 , Pages 17-21 , February 2012

Cone location and correction of keratoconus with rigid gas-permeable contact lenses

  • Mahmood Nejabat

      Affiliations

    • Associate Professor of Ophthalmology, Poostchi Ophthalmology Research Center, Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran
  • ,
  • Mohammad Reza Khalili

      Affiliations

    • Assistant Professor of Ophthalmology, Poostchi Ophthalmology Research Center, Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran
  • ,
  • Cirous Dehghani

      Affiliations

    • Optometrist, Poostchi Ophthalmology Research Center, Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran
    • Corresponding Author InformationCorresponding author at: Optometry Clinic, Dastgheib Hospital, Shiraz University of Medical Sciences, Shiraz, Iran. Tel.: +98 7116288548; fax: +98 7116288548.

References 

  1. Rabinowitz YS. Keratoconus. Surv Ophthalmol. 1998;42:297–319
  2. Krachmer JH, Feder RS, Belin MW. Keratoconus and related noninflammatory corneal thinning disorders. Surv Ophthalmol. 1984;28:293–322
  3. Efron N, Hollingsworth JG. New perspectives on keratoconus as revealed by corneal confocal microscopy. Clin Exp Optom. 2008;91:34–55
  4. Edwards M, McGhee CN, Dean S. The genetics of keratoconus. Clin Experiment Ophthalmol. 2001;29:345–351
  5. Hartstein J. Keratoconus that developed in patients wearing corneal contact lenses. Report of four cases. Arch Ophthalmol. 1968;80(3):345–346
  6. Cullen JF, Butler HG. Mongolism (Down's syndrome) and keratoconus. Br J Ophthalmol. 1963;47:321–330
  7. Davis LJ, Schechtman KB, Wilson BS, Rosenstiel CE, Riley CH, Libassi DP, et al. Longitudinal changes in visual acuity in keratoconus. Invest Ophthalmol Vis Sci. 2006;47:489–500
  8. Edrington TB, Szczotka LB, Barr JT, Achtenberg JF, Burger DS, Janoff AM, et al. Rigid contact lens fitting relationships in keratoconus. Optom Vis Sci. 1999;76:692–699
  9. Leung KKY. RGP fitting philosophies for keratoconus. Clin Exp Optom. 1999;82(6):230–235
  10. Lin YC, Lee JS, Wu SC, Kao LY, Li CY, Lin KK. Correction of keratoconus with rigid gas-permeable contact lenses. Ann Ophthalmol. 2003;35:19–24
  11. Bilgin LK, Yilmaz S, Araz B, Yüksel SB, Sezen T. 30 years of contact lens prescribing for keratoconic patients in Turkey. Cont Lens Anterior Eye. 2009;32:16–21
  12. Perry HD, Buxton JN, Fine BS. Round and oval cones in keratoconus. Ophthalmology. 1980;87:905–909
  13. Owens H, Watters GA. An evaluation of keratoconic cornea using computerized corneal mapping and ultrasonic measurements of corneal thickness. Ophthal Physiol Opt. 1996;16:115–123
  14. Zadnik K, Mutti DO. Contact lens fitting relation and visual acuity in keratoconus. AM J Optom Physiol Opt. 1987;64(9):698–702
  15. Garcia-Lledo M, Feinbaum C, Alio JL. Contact lens fitting in keratoconus. Compr Ophthalmol Update. 2006;7(2):47–52
  16. Yeung K, Eghbali F, Weissman BA. Clinical experience with piggyback contact lens systems on keratoconic eyes. J Am Optom Assoc. 1995;66(9):539–543
  17. Tsubota K, Mashima Y, Murata H, Yamada M. A piggyback contact lens for the correction of irregular astigmatism in keratoconus. Ophthalmology. 1994;101(1):134–139
  18. Abdalla YF, Elsahn AF, Hammersmith KM, Cohen EJ. SynergEyes lenses for keratoconus. Cornea. 2010;29(Jan (1)):5–8
  19. Garcia-Lledo M, Feinbaum C, Alio JL. Contact lens fitting in keratoconus. Compr Ophthalmol Update. 2006;7(Mar–Apr (2)):47–52
  20. Schornack MM, Patel SV. Scleral lenses in the management of keratoconus. Eye Contact Lens. 2010;36(1):39–44
  21. Coral-Ghanem C, Alves MR. Fitting monocurve and bicurve (Soper-McGuire design) rigid gas-permeable contact lenses in keratoconus patients: a prospective randomized comparative clinical trial. Arq Bras Oftalmol. 2008;b71(3):328–336
  22. Zadnik K, Barr JT, Gordon MO, Edrington TB Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study Group. Biomicroscopic signs and disease severity in keratoconus. Cornea. 1996;15(2):139–146

PII: S1367-0484(11)00122-6

doi: 10.1016/j.clae.2011.08.007

Contact Lens & Anterior Eye
Volume 35, Issue 1 , Pages 17-21 , February 2012