A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. If you don’t pass this test, you may have poor color vision, or your doctor may ...

Good vision is a characteristic that is nice to have. Unfortunately, only 35% of adults have 20/20 vision without the use of glasses, contacts, or vision-correcting surgery. Though many of us do not ...

A refraction test is usually given as part of a routine eye examination. It may also be called a vision test. This test tells your eye doctor exactly what prescription you need in your glasses or ...

Editor’s Note: The United States Food and Drug Administration issued a warning letter to online vision test company Opternative in October, 2017, requesting that the company cease activities that ...

LOUISVILLE, Ky. (WDRB) -- Beginning January 1, Kentucky drivers will be required to pass a vision test to renew their driver’s license, a change officials say is aimed at improving road safety. At the ...