The Visual Contrast Sensitivity (VCS) test is a quick way to screen your visual contrast sensitivity — that is, how well you can detect patterns when there isn’t a lot of contrast.
This simple test can reveal potential neurological issues related to conditions like Chronic Inflammatory Response Syndrome (CIRS), mold illness, Lyme disease, and other toxicant-related illnesses.
Read on to learn more about the VCS test and how it’s used.