abdelmonem.abdelmonem
Professor
Abdelmonem Hamed Abdelmonem Hamed Preoperative screening of contact lens wearers before refractive surgery-low ocular rigidity, contact lenses, and keratoconus
• 1999
Publication Information
Authors
Koray Budak, Abdelmonem M Hamed, Neil J Friedman, Douglas D Koch
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publication.type
International
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Abstract
To evaluate corneal stability, measured by computerized videokeratography (CVK) after discontinuation of contact lens wear in preoperative refractive surgery candidates.Baylor College of Medicine, Cullen Eye Institute, Houston, Texas, USA.Topographic differences were analyzed in 136 noncontact lens wearers (NCLW) and 76 contact lens wearers (CLW) (18 rigid gas-permeable contact lenses [RGPCL], 58 soft contact lenses [SCL]) using EyeSys CVK after discontinuation of SCL wear for 2 weeks and RGPCL wear for 5 weeks.There were no differences in CVK patterns between the NCLW and the CLW groups. There were no statistically significant differences between the 2 groups in topographic symmetry, asphericity, corneal uniformity index, predicted corneal acuity, and irregular astigmatism. The dioptric range for the axial and the profile difference maps in the CLW group was slightly lower than in the NCLW...