Goggles work as advertised, block blue light and fit comfortably. Color loss is minimal but still has a slight yellow cast. The only problem I have is that right out of the box the goggles have two dirty spots on each lens which is just under the eyes. I've wiped the lenses with the provided rag and even washed them and a blotchy mark still remains on both lenses. He's there all the time. In addition, the glasses work very well. Under normal circumstances I would buy another pair of glasses from this company in a different style for a change, but for $40 I'd rather risk glasses from another company and not risk permanent stains on the lenses of another pair.
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