Eye'sTest vs PA Eye Chart

[Features] -Without having to remember the pattern would change the orientation of C, so every time, you can test as many times as • In order that corresponds to the high-definition display, 4S iPhone4, you can check visual acuity up to 2.0 (will also work with models such as the iPhone3GS) · Up to 0.09 from 0.01 to 0.01 you can check each stage • If the distance to 20cm from screen, can be measured from 0.02 to 0.4 • If the distance to 30cm from screen, can be measured up to 0.6 from 0.03 • If the distance to 40cm from screen, can be measured up to 0.8 from 0.02 • If the distance to 50cm from screen, can be measured up to 1.0 from 0.02 • If the distance to 60cm from screen, can be measured up to 1.2 from 0.02 • If the distance to 70cm from screen, can be measured up to 1.4 from 0.02 • If the distance to 80cm from screen, can be measured up to 1.6 from 0.02 • If the distance to 90cm from screen, can be measured up to 1.8 from 0.02 • If the distance to 100cm from screen, can be measured up to 1.8 from 0.02 • You have to be viewed based on the standard formula of Mr. Landolt ring as far as possible international standard [How] (Up to 100cm from 10cm) to set the position up to the iPhone's screen from the eyes When you launch the app • Only after you tap the buttons on the key direction is "C" to close one eye is not closed! [Note] • You can use health as a result of a formal diagnostic test results in this application program can not be • If you feel sick or in use, unwell, please discontinue use immediately

1.Convenient and attentive visual inspection process to help users check their own visual acuity index at any time. 2 built-in local database, you can add more than one user to use. 3.Convenient record search function. 4.Easy of eyes care, to provide you with many small tips about eye and visual of life.