Yes, they still block blue light. BUT, this is not the product we bought on TV in the 1990s. When you put on these original glasses, the whole world seems to "flash". it was a real experience. The sunglasses currently on sale seem pretty boring - definitely not the original Blu-blocker experience. They're okay (they'd be even better if they were polarized), but not sure if they're really worth the price. The "Tac Glasses" and "Combat Vision" sunglasses that are on TV now are much more impressive (although they have their fit and quality issues - I wouldn't pay $20 for them, but I bought them on sale ). 2 pairs for $10).
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