Keratoconus. Yellow Rings

FR and the astigmatism after penetrating keratoplasty

Asphericity changes after Ferrara Ring

Keratoconus Rings chosen based on asphericity

Keratoconus and Dry Eye

Rings chosen based on asphericity

Keratoconus l Challenging Cases

History

Ferrara Ring l An Overview

Asphericity in ring selection

10 corneal endothelial profile

09 long term-follow-up

09 clinical outcomes _ 210º

10 Ferrara Ring for ectasia after refractive surgery

12 correlation of anterior segment parameters

12 large case series

12 predictors of clinical outcomes

12 refractive tomographic biomechanical outcomes

12 wavefront aberrations

13 reoperation