The most common types of color blindness, or color vision deficiency, are genetic. However, other types may develop due to injuries, eye diseases, health problems, and side effects of treatment.

Being able to see colours is a blessing. However, not everyone has the luxury. Not that people with colour blindness, also known as colour vision deficiency, literally see black and white, but they ...

Color blindness, or color vision deficiency, is more common in males. This is due to how parents pass down a chromosome associated with the male sex. Red-green color vision deficiency is the most ...

Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown. "Up until that point, I believed leaves and trunks were all green. Just lighter and darker shades," Mark said. Mark ...

What color is a tree, or the sky, or a sunset? At first glance, the answers seem obvious. But it turns out there is plenty of variation in how people see the world—both between individuals and between ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. This marks the first story ...

Color is more than a sensory pleasure; it is a tool refined by evolution. Our ability to perceive a broad spectrum of hues is a remarkable biological achievement shaped by survival pressures, social ...

In the dark, vivid colors seem to fade to gray and they're hard to tell apart. Why is that? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If ...

Bold hues of red, orange, yellow, blue and purple help plants and animals communicate with their own species and others in their efforts to survive. Vivid orange dart frogs warn predators of their ...