Deuteranopia is a type of color blindness that affects shades of green. A person may be unable to see greens or distinguish between green and other colors. Color vision deficiencies, also called color ...

A large U.S. health records study suggests that difficulty seeing blood in urine may put color-blind patients at higher risk.

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. In 1999, I defined ...

Vitamin A deficiency is one of the most serious nutritional problems worldwide, and when left untreated, it can lead to permanent blindness. Vitamin A is a fat-soluble vitamin that supports vision, ...

Several underlying conditions can contribute to poor vision in low-light settings, commonly associated with nyctalopia or night blindness. Some of the frequent night blindness causes are ...

Are you one of the 300 million people affected by color blindness? Take this simple, doctor-approved test to determine your color vision deficiency and learn more about the condition.