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Facts about Blindness

Deutan color vision deficiencies are by far the most common forms of color blindness. This subtype of red-green color blindness is found in about 6% of the male population, mostly in its mild form deuteranomaly. ... Dichromats: Deuteranopia (also called green-blind).

Color blindness is a genetic condition caused by a difference in how one or more of the light-sensitive cells found in the retina of the eye respond to certain colors. These cells, called cones, sense wavelengths of light, and enable the retina to distinguish between colors.

Curing color blindness is currently impossible. ... To cure this color blindness would require some form of gene therapy, repairing the damaged chromosome. However even this is only educated circumspection, there is no scientific method available at present that shows any signs of promise of a cure for color blindness.

In 2010, they cofounded EnChroma, and the first pair of glasses was released in 2012. EnChroma's glasses cost around $269 for children and $349 for adults. EnChroma's website makes it clear that their glasses will not cure color-blindness, much as reading glasses won't cure farsightedness.Jun 27, 2016

Night blindness caused by nearsightedness, cataracts, or vitamin A deficiency is treatable. Corrective lenses, such as eyeglasses or contacts, can improve nearsighted vision both during the day and at night. Let your doctor know if you still have trouble seeing in dim light even with corrective lenses.Mar 10, 2016

Colour blindness is a usually a genetic (hereditary) condition (you are born with it). Red/green and blue colour blindness is usually passed down from your parents. The gene which is responsible for the condition is carried on the X chromosome and this is the reason why many more men are affected than women.