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Year : 2014  |  Volume : 3  |  Issue : 2  |  Page : 103-106

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

Department of Ophthalmology, Taif University Medical College, Taif, Saudi Arabia

Correspondence Address:
Talal Abdulrahman Althomali
Department of Surgery, College of Medicine, Taif University, PO Box 888, Taif, 21974
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2278-0521.134864

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Purpose: To evaluate the outcome of same day topographic-guided photorefractive keratomileusis (PRK) and corneal cross-linkage in patients with subclinical keratoconus. Materials and Methods: A total of 20 patients with subclinical keratoconus were treated with topographic-guided PRK 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. Results: Median preoperative spherical equivalent refraction was −2.25 D. At final follow-up visit at 1 year spherical equivalent was statistically significantly reduced to −0.25 D (P < 0.001). 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. Conclusion: 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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