Sharp Visual Acuity

This app is an experimental version of an android visual acuity testing app.
The full version will be a powerful app which includes all the required features to work as a professional visual acuity app.
The app should be capable of replacing all the old vision testing methods including light-illuminated charts, projectors, and other low-quality screen charts.
The main features of the app (these features are limited in demo version):
- 10 available types of visual testing charts.
- The ability to calibrate the screen distance.
- Including Red-Green test, line/single letter view.
- Showing the doctor or clinic name.
- Including the most common secondary vision test charts (Worth Four Dots, Ishihara, Astigmatic Fan.. etc.
- Secondary tests include an interpretation page to explain the test and its possible results.
- The ability to use the app on android TV screens by remote control or wireless keyboard, with a user-friendly keys for convenient use.
- The ability to customize many of app functionality.
- The ability to calibrate red and green colors to be suitable for your screen brightness and color filters lenses.
- The ability to choose the notation type (6/6, 20/20, 10/10, and logMar).
- The ability to choose which line sizes to view.