Sunglasses Lenses

US $14.95 US $12.79

What color sunglasses lenses are bad for your eyes?
I read an article a few years that certain colored sunglasses lenses were bad for your eyes because of the way the color interacts with the sunlight that hurts your eyes. I can't remember what the " bad" colors were green, yellow, blue, etc . Does anyone know or know where I can get the information? I tried googling but nothing came up. Thanks

Cost to put in prescription in polarized sunglasses lenses?
I'm getting Oakley flak jacket XLJ sunglasses. But im not getting the polarized lenses with them. I wanted to know around the cheapest way i could get polarized lenses and put my prescription in them. I've gone to walmart and they said they could do it for $100. Is their any other way i could do it for less than 100?

                         

Cool Mens Sunglasses Lenses Outdoor.. Vintage Black Frame Purple Lens Gee.. US $11.48 Dg Design Sunglasses Fashion Oversi.. US $6.96 Rave Revo Mirror Lens Wayfarer Sung.. US $0.99 2 Pair Sunglasses 9678 Black W Cer.. US $8.77 Froggy Neon Candy Revo Lens Wayfare.. US $0.99 Polarized Blue Ice Lens Pewter Fram.. US $7.99