Understanding and Living With Color Deficiency
A color deficiency is what most people mistakenly refer to as color blindness. Labeling an individual as color blind is inaccurate because overall a person’s eyes function properly. The individual is able to detect, focus on and process images. Except for the condition called monochromacy, an affected person is not blind to color.
An individual with a color defect has difficulty distinguishing hues. Such a problem stems from the specialized cell receptors in the eyes called cones. Three different cones contain pigments that absorb various amounts of light. Wavelengths determine the amount of pigmentation the cones absorb and the absorption determines how the eye detects and blends the primary colors of red, green, blue and yellow. More →
Routine eye exams are important even for people who are not experiencing eye trouble. How often a person needs an eye exam depends on a number of factors including age, overall health and whether or not eye disorders run in the family. .. 
