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Outcome of same day topographic-guided PRK and corneal cross-linkage in patients with subclinical keratoconus

Poster Details

First Author: T.Althomali SAUDI ARABIA

Co Author(s):    J. Khaliq              

Abstract Details


To evaluate the outcome of same day topographic guided PRK and corneal cross linkage in patients with subclinical keratoconus.


Taif university


Method: twenty patients (40 eyes ) with subclinical keratoconus were treated with topographic guided photorefractive keratectomy and same day corneal collagen cross linkage with riboflavin. Inclusion criteria was low grade myopia of up to 3 diopter spherical equivalent, corneal thickness more than 475 microns ,maximum keratometry reading K max less than 50 D


Median preoperative spherical equivalent refraction was -2.25 D. At final follow up visit at one year spherical equivalent was statistically significantly reduced to -0.25 D. Median preoperative uncorrected visual acuity was 0.25 and best corrected visual acuity was 0.60. Median postoperative uncorrected visual acuity was 0.90 and best corrected visual acuity was 1.0. Median steepest K reading preoperatively was 46.25 D and it was 43.62 D at final follow up visit


Same day topographic guided PRK and corneal cross linkage is a safe treatment offering good vision in subclinical cases of keratoconus

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