Slitlamp stretching of the corneal flap after laser in situ keratomileusis to reduce corneal striae

J Cataract Refract Surg. 2003 Jul;29(7):1292-6. doi: 10.1016/s0886-3350(03)00046-4.

Abstract

Purpose: To examine the efficacy of treating immediate postoperative corneal striae and poor flap alignment by stretching the corneal flap at the slitlamp with a cotton-tip applicator and compare the results using this technique with those using the conventional technique of refloating the flap with balanced salt solution (BSS(R)).

Setting: TLC Laser Eye Center, Garden City, New York, USA.

Methods: Charts of 7154 eyes having laser in situ keratomileusis (LASIK) were reviewed retrospectively. During the 11 months prior to January 1, 2000, 3516 eyes had LASIK. Patients with flap striae or a malpositioned flap at the immediate slitlamp evaluation were treated by refloating the flap (Group A). During the 11 months subsequent to January 1, 2000, 3638 eyes had LASIK. Patients with flap striae or a malpositioned flap at the immediate slitlamp evaluation were treated by flap stretching with a cotton-tip applicator (Group B). The number of eyes that required retreatment for flap striae was analyzed.

Results: Twenty-nine eyes in Group A (0.82%) required retreatment for visually significant flap striae after day 1, and 11 eyes in Group B (0.30%) required retreatment. A loss of best corrected visual acuity occurred in 3 Group A eyes and 2 Group B eyes.

Conclusions: During the immediate postoperative period, stretching the flap with a cotton-tip applicator was a simple, safe, and effective technique for reducing visually significant flap striae. Unlike refloating the flap with BSS, flap stretching at the slitlamp does not require additional anesthesia, exposure time, or dehydration of the ocular surface.

MeSH terms

  • Cornea / physiopathology*
  • Cornea / surgery*
  • Corneal Diseases / etiology*
  • Corneal Diseases / pathology
  • Corneal Diseases / therapy*
  • Corneal Stroma / pathology
  • Humans
  • Keratomileusis, Laser In Situ / adverse effects*
  • Retreatment
  • Retrospective Studies
  • Stress, Mechanical
  • Surgical Flaps / adverse effects*
  • Visual Acuity