Definitely not, whether it is tinted blue sunglasses or mirror blue sunglasses see blue principle is that the lenses filter or reflect the blue light in the sun, of course, but also to reflect the sun's glare and part of the ultraviolet ray to protect your eyes, and see the hot sun objects to avoid danger.
Yes, blue sunglasses block some of the blue light. But there is a difference with our common understanding of blocking daily harmful blue light, it is recommended that you can protect your eyes by pairing them with customized professional anti-blue light lenses to block harmful blue light.