Bilateral keratectasia after unilateral laser in situ keratomileusis: A retrospective diagnosis of ectatic corneal disorder

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Abstract
We present a case of iatrogenic keratectasia in the left eye after laser in situ keratomileusis (LASIK) with 14 μm of stromal ablation. Preoperative evaluation did not show significant evidence of keratoconus or forme fruste keratoconus in either eye. Twenty months postoperatively, in addition to postoperative ectasia in the left eye, the right eye developed mild changes in manifest refraction and on corneal topography. A retrospective diagnosis of ectatic corneal disorder was made in a patient who had no obvious findings of corneal pathology prior to LASIK.