Lens Extraction for Management of Coexisting Cataract and Post-filtering Surgery Ocular Hypotony.

Purpose: To evaluate the safety and efficacy of phacoemulsification for management of post-filtering ocular hypotony.

Methods: This prospective interventional case series study recruited 21 consecutive patients with an established diagnosis of ocular hypotony with or without maculopathy. Clear corneal incision phacoemulsification was done for all patients.

Rigid contact lens fitting based on keratometry readings in keratoconus patients: predicting formula.

Aim: To find a simple mathematical correlation between the lens base curve (BC) and keratometry findings (krf).

Methods: This retrospective study included 400 keratoconic eyes (350 patients) previously fit with rigid contact lenses at an academic eye center over a five year period. The patients were classified into five groups based on the keratometry findings (krf<7, krf:7-8, krf>8, krf-krs (difference between two keratometry; flat and steep)= 0.