Analysis of OPD-Scan and Pentacam Parameters for Early Keratoconus Detection.

Background: PURPOSE: To evaluate Pentacam and OPD-Scan parameters in the early detection of keratoconus.

Design: Retrospective case-control study.

Methods: Case group included 50 clinically unaffected fellow eyes diagnosed with asymmetric keratoconus showing subtle qualitative changes at the 0.