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  • Title: Corneal topographic and pachymetric screening of keratorefractive patients.
    Author: Ambrósio R, Klyce SD, Wilson SE.
    Journal: J Refract Surg; 2003; 19(1):24-9. PubMed ID: 12553601.
    Abstract:
    PURPOSE: To review the incidence of corneal abnormalities detected in the preoperative examination, using videokeratography and pachymetry that excluded patients from laser in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK). METHODS: We conducted a chart review of consecutive patients who had a preoperative examination and were excluded from refractive surgery. RESULTS: Eighteen patients from 1,392 refractive candidates (1.3%) were designated as poor candidates for LASIK or PRK based on corneal topography and/or pachymetry. Thirteen patients (0.9%) were identified as having keratoconus suspect, keratoconus, or pellucid marginal degeneration. Five patients (0.4%) were excluded due to thin corneas (<490 microm) despite normal corneal topography. CONCLUSIONS: Corneal topography and pachymetry are indispensable tools in the preoperative screening of refractive surgery candidates.
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