Journal of Cataract & Refractive Surgery
Volume 32, Issue 7 , Pages 1129-1141 , July 2006

Role of flap thickness in laser in situ keratomileusis enhancement for refractive undercorrection

  • Gerald W. Flanagan, OD, MPH

      Affiliations

    • Corresponding Author InformationReprint requests to Gerald W. Flanagan, OD, MPH, CooperVision, Inc., Advanced Development Center, 5870 Stoneridge Drive, Suite 1, Pleasanton, California 94588, USA.
    • ,
  • Perry S. Binder, MD, MS

,Accepted 13 January 2006.

References 

  1. Durrie DS, Vande Garde TL. LASIK enhancements. Int Ophthalmol Clin. 2000;40:103–110
  2. Durrie DS, Aziz AA. Lift-flap retreatment after laser in situ keratomileusis. J Refract Surg. 1999;15:150–153
  3. Lyle WA, Jin GJC. Retreatment after initial laser in situ keratomileusis. J Cataract Refract Surg. 2000;26:650–659
  4. Patel NP, Clinch TE, Weis JR, et al. Comparison of visual results in initial and re-treatment laser in situ keratomileusis procedures for myopia and astigmatism. Am J Ophthalmol. 2000;130:1–11
  5. Febbraro J-L, Buzard KA, Friedlander MH. Reoperations after myopic laser in situ keratomileusis. J Cataract Refract Surg. 2000;26:41–48
  6. Agarwal A, Agarwal A, Agarwal T, et al. Laser in situ keratomileusis for residual myopia after primary LASIK. J Cataract Refract Surg. 2001;27:1013–1017
  7. Hersh PS, Fry KL, Bishop DS. Incidence and associations of retreatment after LASIK. Ophthalmology. 2003;110:748–754
  8. Park CK, Kim JH. Comparison of wound healing after photorefractive keratectomy and laser in situ keratomileusis in rabbits. J Cataract Refract Surg. 1999;25:842–850
  9. Spadea L, Fasciani R, Necozione S, Balestrazzi E. Role of the corneal epithelium in refractive changes following laser in situ keratomileusis for high myopia. J Refract Surg. 2000;16:133–139
  10. Gauthier CA, Holden BA, Epstein D, et al. Role of epithelial hyperplasia in regression following photorefractive keratectomy. Br J Ophthalmol. 1996;80:545–548
  11. Chayet AS, Assil KK, Montes M, et al. Regression and its mechanisms after laser in situ keratomileusis in moderate and high myopia. Ophthalmology. 1998;105:1194–1199
  12. Binder PS. Ectasia after laser in situ keratomileusis. J Cataract Refract Surg. 2003;29:2419–2429
  13. Flanagan G, Binder PS. Estimating residual stromal thickness before and after laser in situ keratomileusis. J Cataract Refract Surg. 2003;29:1674–1683
  14. Flanagan GW, Binder PS. Precision of flap measurements for laser in situ keratomileusis in 4428 eyes. J Refract Surg. 2003;19:113–123
  15. Magallanes R, Shah S, Zadok D, et al. Stability after laser in situ keratomileusis in moderately and extremely myopic eyes. J Cataract Refract Surg. 2001;27:1007–1012
  16. Schlesselman JJ. Case Control Studies; Design, Conduct, Analysis. New York: Oxford University Press; 1982;
  17. Afifi AA, Clark V. Computer-Aided Multivariate Analysis. New York: Von Nostrand Reinhold Company; 1990;317–343
  18. Lachin JM. Biostatistical Methods; The Assessment of Relative Risks. New York: John Wiley and Sons; 2000;
  19. Eleftheriadis H, Prandi B, Diaz-Rato A, et al. The effect of flap thickness on the visual and refractive outcome of myopic laser in situ keratomileusis. Eye. 2005;19:1290–1296
  20. Prandi B, Baviera J, Morcillo M. Influence of flap thickness on results of laser in situ keratomileusis for myopia. J Refract Surg. 2004;20:790–796
  21. Cobo-Soriano R, Calvo MA, Beltrán J, et al. Thin flap laser in situ keratomileusis: analysis of contrast sensitivity, visual, and refractive outcomes. J Cataract Refract Surg. 2005;31:1357–1365
  22. Sridhar MS, Rao SK, Vajpayee RB, et al. Complications of laser-in-situ-keratomileusis. Indian J Ophthalmol. 2002;50:265–282
  23. Randleman JB, Russell B, Ward MA, et al. Risk factors and prognosis for corneal ectasia after LASIK. Ophthalmology. 2003;110:267–275
  24. Jacobs BJ, Deutsch TA, Rubenstein JB. Reproducibility of corneal flap thickness in LASIK. Ophthalmic Surg Lasers. 1999;30:350–353
  25. Yildirim R, Aras C, Ozdamar A, et al. Reproducibility of corneal flap thickness in laser in situ keratomileusis using the Hansatome microkeratome. J Cataract Refract Surg. 2000;26:1729–1732
  26. Rani A, Murthy BR, Sharma N, et al. Posterior corneal topographic changes after retreatment LASIK. Ophthalmology. 2002;109:1991–1995
  27. Seitz B, Torres F, Langenbucher A, et al. Posterior corneal curvature changes after myopic laser in situ keratomileusis. Ophthalmology. 2001;108:666–672discussion by ED Donnenfeld, 673
  28. Bron AJ. The architecture of the corneal stroma. [editorial] Br J Ophthalmol. 2001;85:379–381
  29. Müller LJ, Pels E, Vrensen GFJM. The specific architecture of the anterior stroma accounts for maintenance of corneal curvature. Br J Ophthalmol. 2001;85:437–443
  30. Dougherty PJ, Wellish KL, Maloney RK. Excimer laser ablation rate and corneal hydration. Am J Ophthalmol. 1994;118:169–176
  31. Kim W-S, Jo J-M. Corneal hydration affects ablation during laser in situ keratomileusis surgery. Cornea. 2001;20:394–397
  32. Hu DJ, Feder RS, Basti S, et al. Predictive formula for calculating the probability of LASIK enhancement. J Cataract Refract Surg. 2004;30:363–368
  33. Flanagan GW, Binder PS. The theoretical vs. measured laser resection for laser in situ keratomileusis. J Refract Surg. 2005;21:18–27
  34. Perlman EM, Reinert SE. Factors influencing the need for enhancement after laser in situ keratomileusis. J Refract Surg. 2004;20:783–789
  35. Rao SK, Cheng ACK, Fan DSP, et al. Effect of preoperative keratometry on refractive outcomes after laser in situ keratomileusis. J Cataract Refract Surg. 2001;27:297–302
  36. Barker NH, Couper TA, Taylor HR. Changes in corneal topography after laser in situ keratomileusis for myopia. J Refract Surg. 1999;15:46–52
  37. Baek TM, Lee KH, Kagaya F, et al. Factors affecting the forward shift of posterior corneal surface after laser in situ keratomileusis. Ophthalmology. 2001;108:317–320

PII: S0886-3350(06)00319-1

doi: 10.1016/j.jcrs.2006.01.095

Journal of Cataract & Refractive Surgery
Volume 32, Issue 7 , Pages 1129-1141 , July 2006

Article Tools

* Image Usage & Resolution