A study from Cornell University found that one of your favorite morning routines — drinking a cup of coffee — may prevent eyesight deterioration and even blindness. According to the research, one of coffee’s main ingredients, an antioxidant called chlorogenic acid, may protect against retinal degeneration from glaucoma, aging or diabetes that can cause blindness. The study compared two groups of mice eyes treated with nitric oxide (which causes the retina to degenerate). One group of mice eyes were pretreated with chlorogenic acid, and the […]

Contrary to what the name may suggest, color blindness is not a form of blindness. Actually, a more accurate name for color blindness is “color vision deficiency.” People who are color blind have trouble with their color vision. Depending on the specific person, this could mean that they cannot tell certain colors apart, or they cannot identify any color. What Causes Color Blindness? Color blindness is caused by problems in light-sensitive cells in the retina called “cones.” There are three types of cone pigments crucial