A London-based artist who suffers from color-blindness never let his affliction keep him from painting landscapes, but when he heard about a pair of special glasses that could help him differentiate color better, he decided to test them out and see how it affected his work, according to an article on DiscoverMagazine.com.

Oxy-Iso glasses are made with a lens technology that enhances the wearer’s vision of oxygen levels in blood and highlights certain color hues that would normally be invisible for people with red-green colorblindness, according to the article.

“When I first heard about them, I envisioned wearing them and being instantly cured,” artist Adam Fenton said. “It was nothing like that, but other interesting things happened.”

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