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Pakistan Journal of Biological Sciences
Year: 2009  |  Volume: 12  |  Issue: 23  |  Page No.: 1521 - 1525

Contralateral Eye Comparison on Changes in Visual Field Following Laser in situ Keratomileusis vs Photorefractive Keratectomy for Myopia: A Randomized Clinical Trial

A. Mostafaei, M.R. Sedgipour and H. Sadeghi-Bazargani    

Abstract: Study purpose was to compare the changes of Visual Field (VF) during laser in situ Keratomileusis (LASIK) VS photorefractive keratectomy (PRK). This randomized, double blind, study involved 54 eyes of 27 Myopia patients who underwent LASIK or PRK procedures for contralateral eyes in each patient. Using Humphrey 30-2 SITA standard, the Mean Defect (MD) and Pattern Standard Deviation (PSD) were evaluated preoperatively and three months after surgery. At the same examination optical zone size, papillary and corneal diameters were also evaluated. There was no clinically significant difference in PSD and MD measurements between treated eyes with LASIK or PRK in any zone pre and postoperatively. VF may not be affected by corneal changes induced by LASIK or PRK three months after surgery.

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