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 ...

This monitor allowed astronaut movement and discomfort to be detected ... She is investigating means of measuring changes of visual acuity in astronauts on long-duration missions. She notes: “We don’t ...

Computerized visual acuity testers are also available including: Vision Quest 20/20, Innova, and M&S. These devices automate the testing protocol and are performed utilizing a computer monitor.