“MEDIVIEW LITE – Recommended for indoor and outdoor use for persons with central vision loss such as age related macular degeneration (macular disease), AMD, and Glaucoma, glasses may take up to 2 weeks to feel full benefit, we are accessible to advise via Amazon contact. SUPERIOR FILTER – A class 1 blue light blocking filter that blocks 100% of UVA and UVB rays and 26% of all visible light. TRUSTED – FDA-registered company with Royal National Institute for the Blind’s endorsement (RNIB) UPGRADE YOUR SUNGLASSES – MediView filters, unlike ordinary sunglasses, increase contrast and improve mobility. EYEC – This lightweight unisex frame with flexible sides and adjustable rubber tips, as well as a protective case, cannot be used over other glasses.”