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  • Title: Iatrogenic keratectasia after laser in situ keratomileusis for less than -4.0 to -7.0 diopters of myopia.
    Author: Amoils SP, Deist MB, Gous P, Amoils PM.
    Journal: J Cataract Refract Surg; 2000 Jul; 26(7):967-77. PubMed ID: 10946186.
    Abstract:
    PURPOSE: To study 13 eyes with less than -4.0 to -7.0 diopters of myopia that developed central or inferior keratectasia after laser in situ keratomileusis (LASIK). METHODS: The progress of the ectasia was determined by a series of pre- and post-LASIK topographies and the case histories. RESULTS: Progressive ectasia developed from 1 week to 27 months after LASIK. This necessitated the wearing of hard contact lenses or penetrating keratoplasty. One eye improved for some months after photorefractive keratectomy retreatment. Two eyes in 1 patient and 1 eye in a second patient had latent keratoconus before surgery. CONCLUSION: Laser in situ keratomileusis can cause permanent weakening and ectasia of the cornea even in eyes with low myopia.
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