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 ...

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 ...

If you've ever suspected you might be colour blind but haven't given it much thought, this simple test can help determine whether you should seek professional advice. Colour blindness affects roughly ...

Tritanopia is a type of color vision deficiency that may make it hard for someone to distinguish between blue and green, pink and yellow, and red and purple. Color vision deficiency, also called color ...