Color blindness is a condition where people find it difficult to distinguish between certain colors. This color blindness test is a simple eye test to find out whether or not you are color blind.

Given below is an online test for visual acuity using the E Chart, a chart with the letter 'E' in different directions (up, down, right and left) and sizes. This E chart visual acuity or eye vision ...

As of Jan. 1, the FAA began requiring all applicants for an initial airman medical certificate to test for color vision ...

He does a very complete video tearing it down and showing how it works and why. The tester uses an eye tube (sometimes called a magic eye tube) as an indicator. A 40 MHz oscillator produces a ...