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App for Fovea Dark Adaptation (FDA)
Download links:
Samples of Testing Method: Mimic of FDA App : (Foveal Cones)
Created Mimics for Learning Testing Method
Tap Video link, then Tap upper right corner to download
May take a moment
MacHealth and MacDx: Foveal Dark Adaptometer for iPhone, iPad, and iMac. Download from Apple store. See Above.
MacHealth Updates
MacHealth and MacDX are designed to discover macular disease to initiate early referral. This test is in addition to the tests by your care professionals and does not replace the usual eye examination. It is a New Test, waiting 100 Years to Develop!
White Dark Adaptation Test
Recovery time greater than 16 seconds in one or both eyes, with the difference between is less than 2 letters, with coefficient of variation less than 20% CV.* Delayed Dark Adaptation recovery may be a sign of macular disease, ask your doctor if you are a candidate for therapy.
*Test each eye at least 4 times to ensure consistent results.
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Color Dark Adaptation Test
Stimulus: White/Red/Green/Blue
Research to establish the normal values is ongoing. Watch for updates.
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Dark Adaptation Curve
Duration: 15. 30, 60, 90 seconds
Research to establish the normal values is ongoing. Watch for updates
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DOWNLOAD MacDx Calculator (Numbers)
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MacHealth email address for download
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MacDx (Professional) email address for download​
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