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 ...

Millions globally live with colour blindness, often unaware of their condition. An optometrist shares a quick, one-minute test using Ishihara plates to help identify colour vision deficiency, which ...

Colour blindness affects more people than you might assume. In fact, an estimated 300 million people globally have colour blindness, according to the Colour Blind Awareness organisation. This ...