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 ...

LOUISVILLE, Ky. (WDRB) -- A bill signed into law three years ago that requires drivers to undergo a vision test before renewing their license takes effect Jan. 1. The goal is to keep drivers with poor ...