New Tinted Glasses Give Color to Those With Color Vision Deficiency
Sometimes some of the most amazing discoveries happen by accident. Individuals with color vision deficiency, particularly red-green color vision deficiency (CVD), experience little less color than those with normal vision. But now through a happy accident, a new kind of glasses lens called, EnChroma Cx-65, most individuals with CVD are now able to see the colors Red and Green.
Individuals with the most common form of CVD have difficulty differentiating between the colors red and green, depending upon how dark or light the colors are. Individuals with CVD lack one or more of the light sensitive pigments in their cones located in the macula (central part of the retina). This impairs their ability to differentiate primary colors.
The EnChroma Cx-65 creates a sort of ocular prosthetic which works to correct CVD by filtering those wavelengths in a way that removes the color muddying effect CVD creates. The lenses were originally designed for use by laser surgeons but eventually became increasingly popular as people would also borrow them, or use them for sunglasses.
One user put them on as sunglasses to play outside with some friends at a local park and immediately commented on how many colors he could suddenly see. It was at this point that the creators of the lenses realized that these lenses did more than just protect eyes from the sun. As a result, the EnChroma Cx-65 lenses have moved forward with production and are now available as both prescription sunglasses and regular clear eyewear for adults.
Color vision deficiency is a particularly common trait suffered by 1 in every 12 men, and 1 in every 200 women. The creators of the EnChroma Cx-65 lenses hope to continue to develop their product further and create a pediatric version of the lens to help assist children with CVD. The discovery and development of the EnChroma lens represents a giant leap forward in treating color vision deficiency, and owes its discovery to a most fortuitous accident.
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