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 impacts approximately 1 in 12 men (8%) and 1 in 200 women, and there's a quick test you can do to see if you may be colour blind.

Approximately 300 million people worldwide have colour blindness, with around 1 in 12 men and 1 in 200 women affected by the condition. Take this test to see if you're colour blind ...