Vision Protection
5
Medical | 4.8MB
Description
Eye care vision chart principle: It makes use of psychological principles of space perception, so that a 2dimensional figure can be viewed as a 3dimensional extension. Prolonged visual exposure to close objects causes visual fatigue. It is recommended to gaze at the chart for 25 seconds to relief visual fatigue.Soft green desktop background color is recommended by ophthalmologist to effectively alleviate eye fatigue.For android system version 2.2 or above , you can install this application to SD cardApp 2 SD, APP2SD, APP TO SD .
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