Discover MacDx: Advanced Dark Adaptation Testing for Macular Health

App News Fovea: RFDA

See New Article on MacHealth

For MacDx for Professional Eye Care Specialist,

1. Measuring White Dark Adaptation or

2. Dark Adaptation Curve from 15 to 60 or 90 seconds, a regular progression is normally expected.

While watching bleaching, have the patient say "Darker"' while the center circle becomes White.

App for Fovea Dark Adaptation (FDA)
Download links:

1. MacHealth: All People

99 ₵ for 30 Tests

2. MacDx: Professional, $99.00/Month

CPT 92284 for Professional Examiners (See local rules of your services)

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 Use!

White Dark Adaptation Test

Recovery time greater than 17 seconds in one or both eyes, with the difference between sides 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 3 times to ensure consistent results.

Dark Adaptation Curve

Duration: 15. 30, 60, 90 seconds

Research results beginning to show consistency in Dark Adaptation Curve and assisting differentiation between abnormal cases and normal cases, more to come as research progresses.