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Arch Ophthalmol. 2000;118:282-284.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Laser in situ keratomileusis (LASIK) to correct myopia is performed by partially resecting a prescribed thickness of stroma, removing corneal tissue from the exposed stromal bed using the excimer laser, and then replacing the resected stromal tissue. This results in a substantial reduction of the biomechanically effective stress-bearing thickness of cornea provided by the residual stromal bed. There is concern that at some point, the tensile strength of the cornea might be reduced to the degree that progressive ectasia ensues, thereby resulting in steepening of the cornea, irregular astigmatism, and progressive myopia. This becomes a particularly contentious issue when, in the absence of classic clinical evidence of keratoconus, inferior steepening of the cornea seen on corneal topographic scan suggests the possibility of subclinical keratoconus. Herein, we report such a case of progressive ectasia following LASIK.

Report of a Case

A 23-year-old Hispanic man sought refractive surgery to correct myopia. Prior to surgery, he relied . . . [Full Text of this Article]

Comment
Corresponding author: Stephen D. McLeod, MD, Department of Ophthalmology, University of California–San Francisco, 10 Kirkham St, K-301, San Francisco, CA 94143, (e-mail: smcleod@itsa.ucsf.edu).

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