> and other commenters seem to confirm it isn't Color isn't in the eyes, it's in the brain. Since these glasses help the brain receive the right balance of RGB

> and other commenters seem to confirm it isn't Color isn't in the eyes, it's in the brain. Since these glasses help the brain receive the right balance of RGB, I see no reason to believe he isn't seeing purple. I'm colorblind and trying these on was a mind-blowing trip.