50
Participants
Start Date
November 30, 2007
Primary Completion Date
June 30, 2009
Study Completion Date
December 31, 2009
photorefractive keratectomy (PRK)
comparison of PRK by cross-cylinder approach in one eye and conventional (single) method in the other eye for laser correction of astigmatism
Nikookari eye hospital, Tabriz
Tabriz University
OTHER