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Purchase at Apple Store

Focal Dark Adaptation (FDA):  UPDATE

Only Test of FDA on Earth: US Patented

Discovered by Hecht 1921, Patented by Hofeldt 2021

MacHealth App: Macular Test: NEW

Testing Questions: Message 305 538 7696

Video for learning Fovea Test: Tap Paperclip---links to arrow at right-upper corner = Open the video.  Mimic of real tests,

 Click the above App download to order from APPLE.

MacDx App: Macular Test: Professional

Test examples to learn the method and order an app for real test!

DiagnosticGame app: All vision tests

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Purchase at AMA Optics, Inc.
Hand Made  (USA)

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