Peripheral and color vision, eye coordination, and other measurements contribute ... The primary test is the visual acuity test, which involves reading letters on a chart close-up and from a distance.

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 ...

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.

Five scientists at the University of Berkely used laser technology to selectively activate cells in their retinas, to push the vision beyond its natural limits.