US Dial Adjustable Glasses Variable Focus For Reading Distance Vision Eyeglasses

Us dial adjustable glasses variable focus for reading distance vision eyeglasses features 1. the latest adjustable focus reading glasses are clearer and more durable than the previous generation of adjustable focus glasses. 2. impact-resistant lens to prevent breakage, made of polycarbonate material, the lenses are durable enough to withstand accidental drops and force. you do not have to worry about breaking them. 3. matches your focus of each eye, by turning the discreet dial on the frame to adjust until visions comes into focus. it is designed so you can easily manage your fluctuating visions. 4. flexible, unisex design, employed with flexible structure that fits heads of all sizes, it is perfect for both men and women. specification material: plastic color: black size: 14 x 3 cm package include: 1x glasses