Penetrating keratoplasty versus deep anterior lamellar keratoplasty: comparison of optical and visual quality outcomes.

PURPOSE To evaluate and compare visual and optical performance outcomes by means of analysis of the contrast sensitivity function (CSF) and ocular higher order aberrations (HOA) in patients with keratoconus who had deep anterior lamellar keratoplasty (DALK) or penetrating keratoplasty (PK). METHODS In this prospective, randomised case series, 174 eyes of… CONTINUE READING