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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, Biophysics patent by Hofeldt 2021

MacHealth App: Macular Test: NEW

Testing Questions: Message 305 538 7696

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Apple App download
from APPLE Store

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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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Medical Products: Pay by check or PayPal at checkout

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Panoramic Pinhole

1., Pinhole Benefit

2. Patient sees current and future vision side-by-side;

"Amazing" (patented)

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