Browsing: Color Blindness

Comprehensive Information, Resources, and Support on Color Blindness

Scientists are now able to grow human retinal cells in the lab. This is a big atempt to understand the basis of color vision in humans and to understand color blindness and other retinal disorders. The research is believed to help develop future therapies for eye disorders such as color blindness or macular degeneration, diabetic retinopathy, age-related damage etc.

Dr Shinobu Ishihara from Japan introduced the most popularly known color blindness test in 1917. The test is a color perception test for red-green color deficiencies. It consists of a set of colored dotted plates (PseudoIsochromatic Plate or PIP), each of which shows certain numbers or patterns such as random lines.

Color blindness is a condition in which a person is unable to differentiate between colors. Color blindness is not a form of complete blindness instead it is a deficiency which doesn’t allow a person to see certain specific colors such as yellow and blue or red and green.

There are three main kinds of color blindness broadly based on the types of photopigment defects that may be present in the three different kinds of cones of your eyes that respond to the different lights – blue, green, and red light. The cones recognize these lights based on their wavelengths. Check out how red blue color blind people perceive these colors.

Scientists are working to find a cure for colorblindness and understand the condition better. However, as yet, there is no cure for it. A doctor can recommend you one of these things to manage the condition better so as not to affect your daily life activities. Read for more.