Sunglasses, Dayglasses, Nightglasses...?
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 I was wondering if f.lux has any plans of developing Sunglasses with or without adjustable color/tint/...etc ? 
 The same for Dayglasses - for more general use. And Nightglasses - for driving, to reduce the brightness of today's overly bright headlights.
 If you have never thought about that, so maybe it could be an idea. I think many many people are developing various eye problems due to large screens of TVs and computers, and blue light they emit.