Spanish scientists: EnChroma glasses won’t fix your color blindness

From Ars Technica

Dude enjoying winter sports in sunglasses is happy.
Enlarge / EnChroma glasses have always had both skeptics and true believers. Who’s right? It’s complicated.

The much-touted EnChroma glasses don’t help colorblind users see new colors; they merely let the colorblind see the same colors in a different way, according to a new study published in Optics Express by scientists at Spain’s University of Granada. The scientists liken the effect to the colored glasses often used by hunters to increase the contrast in their surroundings so they can better pick up on certain visual stimuli.

EnChroma makes glasses that are designed to help with a specific form of color blindness, one in which a hybrid of red- and green-detecting receptors confuse the differences between colors. The receptors act by blocking out the wavelengths that the hybrids are most sensitive to, but they don’t do anything for other forms of color blindness.

So the new results don’t come as a surprise to University of…

Read More – Spanish scientists: EnChroma glasses won’t fix your color blindness

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