eyeSnellen

Auto-calibrating visual acuity test using the Snellen Chart

iOSApp Store (US)★ 3.0 · 4 ratingsfree

A mobile app that runs a Snellen chart–based visual acuity test and automatically calibrates chart size and screen brightness to reduce errors caused by incorrectly sized or dim charts. It is intended for people checking their vision at home or on the go who need an accurate acuity measurement without special equipment.

iOS

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