A visual acuity test is one of the most important parts of an eye exam. Visual acuity is a measure of how well you can see. A ...

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 ...

Spot the difference types of puzzles or optical illusions and ask the viewers to find a set number of differences between the similar-looking images under a given period of time. Having almost ...