Effect of Flat Cornea on Visual Outcome after LASIK

Purpose. To evaluate the effect of preoperative and postoperative keratometry on the refractive outcome after laser in situ keratomileusis (LASIK) for moderate and high myopia. Methods. Records of 812 eyes (420 patients) with myopia ≥−6 D who had LASIK at Sohag Laser Center, Egypt, from January 2010...

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Main Author: Engy Mohamed Mostafa
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Ophthalmology
Online Access:http://dx.doi.org/10.1155/2015/794854
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author Engy Mohamed Mostafa
author_facet Engy Mohamed Mostafa
author_sort Engy Mohamed Mostafa
collection DOAJ
description Purpose. To evaluate the effect of preoperative and postoperative keratometry on the refractive outcome after laser in situ keratomileusis (LASIK) for moderate and high myopia. Methods. Records of 812 eyes (420 patients) with myopia ≥−6 D who had LASIK at Sohag Laser Center, Egypt, from January 2010 to November 2013, were retrospectively analyzed. Main outcome measures were postoperative corrected distance visual acuity (CDVA), postoperative spherical equivalence, and postoperative Q factor. Results. LASIK was performed in 812 eyes (mean age 21.8±5.2 years). Patients were grouped according to the degree of preoperative myopia into three groups: Group 1, −6 D to −7.9 D; Group 2, −8 to −9.9 D; and Group 3, −10 to −12 D. The refractive outcome among the different myopia groups was stratified by pre- and postoperative keratometry. A trend toward greater undercorrection was noted in eyes with preoperative keratometry <43.5 D compared with those with steeper keratometry >46 D in all myopia groups. The undercorrection was also noted in postoperative keratometry groups <35 D. Conclusions. Preoperative and postoperative keratometry appeared to influence the refractive outcome especially in high myopic eyes.
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spelling doaj-art-50befa32869449708fbc545c7cddcf742025-02-03T01:03:33ZengWileyJournal of Ophthalmology2090-004X2090-00582015-01-01201510.1155/2015/794854794854Effect of Flat Cornea on Visual Outcome after LASIKEngy Mohamed Mostafa0Ophthalmology Department, Sohag University, Naser City, Sohag 82524, EgyptPurpose. To evaluate the effect of preoperative and postoperative keratometry on the refractive outcome after laser in situ keratomileusis (LASIK) for moderate and high myopia. Methods. Records of 812 eyes (420 patients) with myopia ≥−6 D who had LASIK at Sohag Laser Center, Egypt, from January 2010 to November 2013, were retrospectively analyzed. Main outcome measures were postoperative corrected distance visual acuity (CDVA), postoperative spherical equivalence, and postoperative Q factor. Results. LASIK was performed in 812 eyes (mean age 21.8±5.2 years). Patients were grouped according to the degree of preoperative myopia into three groups: Group 1, −6 D to −7.9 D; Group 2, −8 to −9.9 D; and Group 3, −10 to −12 D. The refractive outcome among the different myopia groups was stratified by pre- and postoperative keratometry. A trend toward greater undercorrection was noted in eyes with preoperative keratometry <43.5 D compared with those with steeper keratometry >46 D in all myopia groups. The undercorrection was also noted in postoperative keratometry groups <35 D. Conclusions. Preoperative and postoperative keratometry appeared to influence the refractive outcome especially in high myopic eyes.http://dx.doi.org/10.1155/2015/794854
spellingShingle Engy Mohamed Mostafa
Effect of Flat Cornea on Visual Outcome after LASIK
Journal of Ophthalmology
title Effect of Flat Cornea on Visual Outcome after LASIK
title_full Effect of Flat Cornea on Visual Outcome after LASIK
title_fullStr Effect of Flat Cornea on Visual Outcome after LASIK
title_full_unstemmed Effect of Flat Cornea on Visual Outcome after LASIK
title_short Effect of Flat Cornea on Visual Outcome after LASIK
title_sort effect of flat cornea on visual outcome after lasik
url http://dx.doi.org/10.1155/2015/794854
work_keys_str_mv AT engymohamedmostafa effectofflatcorneaonvisualoutcomeafterlasik