Effect of different screen brightness and devices on online visual acuity test
Abstract Purpose: This study aimed to study the difference in test results of online visual acuity (VA) test under different devices and screen brightness conditions and to compare online VA test with Early Treatment Diabetic Retinopathy Study (ETDRS). Methods: Healthy volunteers with the best corrected VA of 0.0 LogMAR or higher were recruited. VAs under […]