Put an eye chart into your pocket and test your client's visual acuity wherever you are and whenever you want.

We understand that a professional eye chart should be able to display the accurate size of an optotype based on the test distance and target visual acuity value. In this App, we open the calibration procedure to you. You can verify and adjust the calibration, and it's very easy.

Moreover, this is not just ONE eye chart; it has many more possibilities. You can define your own test distance from 30cm to 20 feet continuously, using the distance unit of meter, feet, centimeter, or inch. We also provided different optotypes, such as E, C, Sloan, and Picture, for you to choose. You can also choose your favorite display type of an eye chart from a full display, horizontal, vertical, or cross one. All these configurations can be saved to a scenario for quick access.

You can also write a visual acuity record for your client or patient at any time and manage your record history as well.

Do you need an ETDRS eye chart rather than a normal one? Yes, We have carefully integrated it into this App, and you can find what you need.

Enjoy this professional eye chart, and contact the author if you have any suggestions.