If they have that, then they have some level of protection against UVA and UVB rays If there isn’t any uv400 labeled anywhere on them, however, it means that they aren’t protected at all. How can you tell if sunglasses are UV protected? The label is your first place to look, and it will list how much of each type of protection they offer. How do you know your lenses have UV400 protection? 1. 50% UV protection blocks the shorter, more dangerous versions of ultraviolet light while allowing the longer, less harmful versions to pass through.100% UV protection blocks all versions of ultraviolet light.Most lenses are made of glass or plastic, and certain materials are more effective than others at blocking UV rays. ![]() UV Protection is the ability of a sunglass lens to block UV rays. There are so many brands of sunglasses to choose from, but if you want them to have UV protection, how do you know? Here are 5 ways to tell if your sunglasses are UV protected.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |