Multi focus Reading Glasses & Blue Light Blocking. UV protection -- Anti-Blu-ray Lenses utilize special U.S. substrate processing technology to protect the eyes from ultraviolet rays. Anti blue light progressive & UV400 lenses help you resist 100% harmful blue light & reflective & UVA/UVB rays,help you reduce glare headache eyestrain.Whether you are reading, using computer or looking at a distance.
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