Glasses for Color Blindness & Color Vision Deficiency People

WHAT IS COLOR BLINDNESS?

Color blindness (or color vision deficiency), is a condition where a person’s eyes are unable to see colors under normal light. People with color blindness have a hard time telling colors apart from each other.

HOW EYES SEE COLOR

The retina contains approximately 6 million retinal cone cells. Each cell is ‘color specific,’ responding mainly to light of specific frequencies. The three different types of cone cells correspond to the three primary colors: red, green and blue.

 WHO IS AFFECTED?

Color blindness affects millions of people worldwide. It affects 1 in 12 men and 1 in 200 women. The condition ranges from a variety of classes, red-green color blindness being the most common.
Most people who suffer from color blindness are not blind to color, but have a reduced ability to see them. Color blindness is also called Color Vision Deficiency (CVD).
CVD can be acquired, but most are inherited genetically. The genes that influence the colors inside the eyes, called ‘photopigments,’ are carried on the X chromosome. If these genes are abnormal or damaged, color blindness occurs.

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Source:Enchroma