The Snellen Eye Chart An optotype is a standardized letter, shape, picture, or number that is shown to the person whose ...

In partnership with Moorfields Eye Hospital, our research group developed the Moorfields Acuity Chart, a visual acuity chart which is more sensitive to early signs of age-related macular degeneration.

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 ...

In UK ophthalmology clinics, visual acuity is measured and reported as ... is the distance of the eye from the Snellen chart (in meters) and the denominator corresponds to the line of the letter ...