Alpins, N A Refractive versus corneal changes after photorefracive keratectomy for astigmatism. [electronic resource] - Journal of refractive surgery (Thorofare, N.J. : 1995) - 386-96 p. digital Publication Type: Journal Article ISSN: 1081-597X Standard No.: 10.3928/1081-597X-19980701-04 doi Subjects--Topical Terms: AdultAstigmatism--physiopathologyCornea--physiopathologyCorneal TopographyFemaleFollow-Up StudiesHumansLasers, ExcimerMalePhotorefractive KeratectomyRefraction, OcularTreatment OutcomeVisual Acuity