New: Test for Everyone at HOME, Finds Retinal problems for patients, Only 3.3 cents per test that takes less than 6 minutes. Your iPhone, you buy 30 tests for 99 cents from Apple Store, 3,3 cents/test. Order MacHealth App
Hold the phone at 12 inches and watch the  Image  ⬆: See   1  Bleaching LIGHT, See   2  GREY LIGHT and See   3  grey light turns  WHITE  :Tap, The Endpoint.  That was a sample of what happens. It is that simple, measures fovea's in  (17 seconds) and the difference in less than 2 seconds. When testing try several times to become use of testing. Questions Call 305 389 0928