OptEyeCheck - an iPhone App for Checking Your Vision
OptEyeCheck is an iPhone application which offers a convenient way for checking your vision. By placing your iPhone one foot away from your eyes, you are able to complete four tests: Near Vision (for Myopia), Color Vision Deficiency, Amsler Grid Test and Contrast Sensitivity Test. The results of the tests are stored on your iPhone so that you may share them with your eye doctor.
Near Vision Check (Myopia)
Myopia may be the cause of blurred vision. This check provides you with alphabets in the upper panel to select from the options given below the panel. The size of the letters becomes smaller with each level you pass, and the test continues until your answer does not match the required answer. Your result is then displayed for you.
Color Vision Deficiency Check (Ishihara Color Test)
Color Vision Deficiency is the lack of perceptual sensitivity to certain colors. A series of pictures of colored spots with an embedded number is presented. When you identify the number and select the correct answer from the options presented, a result card is generated showing how your answer compares to a person with normal vision. If you experience “color-blindness” this is an excellent way to check for sure.
Amsler Grid Check
Designed to detect any kind of visual disturbance which may be caused by changes in the retina, optic nerve or the visual pathway to the brain, this test has you look at the grid with each eye concentrating on the small dot at the center of the grid. If you see any wavy lines or if some lines are missing, you mark the grid. The result of each eye is stored in your iPhone and can be used by your doctor to diagnose the actual location of a problem. The Amsler Grid Check helps diagnose macular disease in your eyes. If macular degeneration is in your family, this will be an important check for you.
Contrast Sensitivity Check
The Contrast Sensitivity test will determine how well your eyes adjust to low light and how well you can distinguish objects when they are in similarly colored or shaded backgrounds. This is a special way to measure your visual acuity. You are presented with a high contrast eye chart which has a black letter slowly merging into the white background on each level of the test. The check continues until you give two consecutive wrong answers. A chart showing how far you completed the test successfully and where exactly the answer went wrong is then stored.
Consult Your Doctor
Once you have completed all four of the tests, your iPhone will have four test results to share with your doctor.
Rated 4+, the app is available from iTunes for $0.99. Developed by Cygnet Infotech LLC and released in 2011, this app is also compatible with iPod touch and iPad; it requires iOS 3.0 or later. If your eyes are “bothering” you, perhaps you might find the reason in one of these tests. Check it out OptEyeCheck
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