Medically reviewed by Johnstone M. Kim, MD The term "20/20 vision" refers to how sharp your eyes are when you look at 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 ...

This Color vision testing is based on the Ishihara Test for color blindness. Color blindness is a condition where people find it difficult to distinguish between certain colors. This color blindness ...

In today’s optical illusion challenge, only 1% of people with sharp vision can spot the hidden number '99' among a sea of '96 ...

which is a pressure build-up that overtime can damage the optic nerve in the back of your eye and thus lead to vision loss. Michael Walker, OD I prefer the applanation test, which is a probe that ...

A check mark. It indicates that the relevant ... A lazy eye is when there is poor vision in one eye, and vision relies on the stronger "good" eye. It is the result of a problem with the connection ...

Blurred vision in one eye can be due to a number ... Conjunctivitis can have numerous causes. Check with your eye doctor first, but most mild cases of conjunctivitis will go away on their own ...