Here's a little follow-up on discussions here of color vision deficiency since I brought up the fact that I am a "sufferer" myself. A Cure for Colorblindness? (by way of Ant and Slashdot) discusses a breakthrough that involves corrective lenses. This red/green enhancement comes at the expense of yellow/blue perception, so it's not without its issues (apparently it renders yellow traffic lights invisible), but it's an interesting bit of progress in an area where I never expected any. If nothing practical comes of this, I'd still be interested in experiencing this effect to see how the other half (or other 90%, technically) lives.
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