Differential Diagnosis:
Corneal Distortion

Refer to the individual conditions for the differential diagnosis conditions shown in the diagram below.

Comparative Isodioptric Maps

Astigmatism WTR		Exhaustion Syndrome
Wrinkling – Epithelial, Corneal		Binding - GP
Distortion - Irregular		Orthokeratology (OK) using RGP Lenses
Keratoconus		Excimer PRK(3.5mm Ablation)