
They have a slight (very slight) blue block effect, but they also blur. I was really hoping for a decent product, also for night driving; unfortunately these do not fit. They sit well over my glasses; although in turn they blur my vision. After I put them back on, I can no longer read my computer screen. I don't know if I have a bad pair or if it's just her nature; However, I cannot recommend them for those who already wear glasses. Not sure if I'm going back or just throwing them away.

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