The Colour Assessment and Diagnosis (CAD) test is a newly developed test for colour vision deficiency in pilots. The CAD test is completely sensitive and specific for the identification of normal colour vision and the test is able to accurately and repeatably quantify the degree of colour vision loss in individuals with colour vision deficiency. The pass/fail criteria are based on the point at which the degree of deficiency degrades performance in critical piloting tasks, the most critical task

Color vision deficiency affects 8% of men. Most people don’t know they have it. #colorblind #eyetest #colorvision #doctor #medical | Dr.Z Neurosurgery

20K views · 126 reactions | Macular degeneration is the most common cause of age-related vision loss. Here's a look at what happens in your eye when it occurs: | WebMD | Facebook