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EnChroma wearable tech corrects color blindness

Designers developed a mathematical model of how the brain processes color and determined how to accomplish the necessary digital spectral processing with a complex coating system. The coating consists of a stack of more than 100 layers of semi-reflective material.

From Optometry Times

How EnChroma’s smart sunglasses can help solve color blindness

EnChroma uses a mathematical formula to directly communicate with the brain’s visual system. This system is calculated to help a color-blind person observe the correct ratios the brain needs for normal color vision. The company uses over 100 reflective coatings at different opacities rather than a single tinted lens.

How EnChroma’s smart sunglasses can help solve color blindness
by Christina Farr for Venture Beat (Jan 2014)

Glasses That Solve Colorblindness

The highlight came on Day 4 of my tests, when my kids discovered a rainbow arcing across the sky, pointing and exclaiming. I looked. With my own eyes, I could barely see it. Maybe there was a soft arc of yellow, but that was it.

Then I put on the glasses. Unbelievable! Now I saw two entire additional color bands, above and below the yellow arc. It was suddenly a complete rainbow. I don’t mind admitting, I felt a surge of emotion. It was like a peek into a world I knew existed, but had never been allowed to see.

Glasses That Solve Colorblindness, for a Big Price Tag
by David Pogue, New York Times (Aug 2013)

Jonathan Bloom ABC7 News


Sunglasses provide fix for color blindness by Jonathan Bloom of ABC 7 News (Jan 2013).

Gabe Slate’s Tech Report


Gabe Slate’s Tech Report of KRON 4 news (Dec 2012).

EnChroma glasses designed to compensate for color-blindness

The key to the sunglasses’ performance is a proprietary coating on the lenses. Said to be harder and more scratch-resistant than glass, it can be tweaked in production to filter certain wavelengths that cause “color confusion.” The result is an improved signal-to-noise ratio in the perception of colors, in which red and green don’t just appear as variations of yellowy-brown – as an example.

EnChroma glasses designed to compensate for color-blindness
Ben Coxworth for GizMag.com (Sept 2012)