Shortening the Early Treatment Diabetic Retinopathy Study visual acuity test utilizing a novel computer software: reproducibility in control and patient eyes.

Purpose: To describe and compare a method of computerized visual acuity (VA) testing software to the Early Treatment Diabetic Retinopathy Study (ETDRS) chart.

Methods: Setting: Single tertiary institution.

Study Population: Prospective study including right eyes of volunteers (N = 109) and patients (N = 126).