Colour blindness, or colour vision deficiency, is a condition where a person has difficulty perceiving colours accurately. While often associated with adults, colour blindness can also affect children ...

While India has the maximum number of blind people in the world, most do not know that in more than 85 per cent of the cases, the condition is preventable, said experts on Thursday on World Sight Day.

An estimated 300 million people worldwide are color-blind. This typically means they can't distinguish certain shades of color, they struggle to tell how bright colors are or, more rarely, they can't ...