Clinical Trial: Comparison of Cross-cylinder and Conventional Photorefractive Keratectomy(PRK) in Correcting Medium-high Astigmatism

Study Status: Completed
Recruit Status: Completed
Study Type: Interventional




Official Title: Comparison of Cross-cylinder and Conventional PRK for Laser Correction of Astigmatism: A Randomized Clinical Trial.

Brief Summary: The purpose of this study is to determine whether cross-cylinder approach is more effective than routine method in laser correction of astigmatism.