Prevalence of keratoconus among patients seeking laser vision correction in Taif area of Saudi Arabia.

Purpose: To determine the prevalence of keratoconus among patients seeking laser vision correction (LVC).

Methods: Retrospective study of 1374 eyes of 687 patients (335 males, 352 females) who underwent keratoconus screening as a part of routine preoperative evaluation prior to LVC at the Tadawi surgical centre, Taif, Saudi Arabia from January 2014 to June 2015. The diagnosis of keratoconus was based on evaluation of Pentacam derived parameters.