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. 2022 May 1;41(5):604-608.
doi: 10.1097/ICO.0000000000002782.

Traumatic Flap Complications After Femtosecond LASIK

Antonio Leccisotti  1   2   3 , Stefania V Fields  1 , Giuseppe De Bartolo  1 , Alex Malandrini  1
Affiliations

Traumatic Flap Complications After Femtosecond LASIK

Antonio Leccisotti et al. Cornea. .

Abstract

Purpose: The purpose of this article was to evaluate the prognosis of traumatic flap dislocation or avulsion in a large series of laser-assisted in situ keratomileusis (LASIK) cases.

Methods: Retrospective, consecutive, noncomparative case series analyzes the visual and anatomical results after flap dislocation or avulsion, caused by trauma occurred at least 1 month after LASIK.

Results: A total of 37,315 eyes of 19,602 patients were reviewed. A traumatic flap complication was observed in 9 eyes of 9 patients, with a maximum interval of 37 months after surgery. Flap dislocation with central full-thickness folds was found in 5 cases; flap lifting and repositioning achieved a full recovery of uncorrected visual acuity. In another case, a partially detached flap was repositioned by a microsponge without lifting; self-limiting localized epithelial ingrowth followed. In 3 eyes, a complete flap avulsion occurred and, after epithelialization, a moderate refractive change was observed, comprised between -0.25 and -1 diopters (D) of spherical equivalent, with astigmatism <1 D; in 1 eye, the resulting myopia was corrected by repeat femtosecond LASIK.

Conclusions: Traumatic flap complications after femtosecond LASIK are rare but can occur even in the long term; they have a favorable anatomic and visual prognosis.

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Conflict of interest statement

The authors have no funding or conflicts of interest to disclose.

References

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    1. Kim JY, Kim MJ, Kim TI, et al. A femtosecond laser creates a stronger flap than a mechanical microkeratome. Invest Ophthalmol Vis Sci. 2006;47:599–604.

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