Sunglasses Restore Red-Green Differentiation To The Colorblind

Sunglasses Restore Red-Green Differentiation To The Colorblind

EnChroma Cx sunglasses were designed to enhance people's color vision.

Leah Gonzalez
  • 23 august 2013

California-based company EnChroma offers sunglasses that are designed to address color blindness.

Color blindness is also known as color vision deficiency, which means people with color blindness are not literally living in a black and white world. They can see most colors but can’t see red and green, the most common type of color vision deficiency, or blue and yellow. Some have difficulty differentiating shades of certain colors like green versus yellow, red versus brown, green versus brown, pink versus grey, or blue versus purple.

EnChroma Cx sunglasses look like typical mirrored sunglasses, but have lenses coated with an advanced type of optical coating that filters out light to enhance all the colors, making them look more saturated and brighter. Someone with red-green color vision deficiency, for example, will be able to see these two colors come alive when they wear the sunglasses.


The sunglasses are designed to work under a good amount of light so wearing them indoors may be useless. They are also not designed to use when you’re in front of the computer.

A pair of EnChroma Cx sunglasses cost $600 and come with a 30-day money back guarantee. At the moment, the company does not offer Rx sunglasses but is planning to come out later in the year with an Rx correction product, as well as one suitable for children.

More information can be found on the company’s FAQ page.



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