Download Visual Acuity Charts - Detect Myopia 2... Apr 2026

A "Doctor" mode provides voice prompts for a helper observing the patient's responses.

Some users find the initial calibration or test protocols complicated. Download Visual Acuity Charts - Detect Myopia 2...

Supports multiple notations like Fraction (20/20) , LogMAR , Decimal , and VAS . Pros and Cons Pros Cons A "Doctor" mode provides voice prompts for a

Unlike paper charts, the app randomizes letters for every test to prevent users from memorizing the lines. Pros and Cons Pros Cons Unlike paper charts,

Results may vary based on screen size and brightness if not properly calibrated.

Users frequently highlight features like Mirror Mode , which allows for self-diagnosis by standing in front of a mirror to effectively double the test distance.

The app has been noted in independent academic studies, such as those published in JAMA Ophthalmology , for having low measurement error compared to other iPhone-based visual acuity apps.