Function just same as normal reading glasses but have the added benefit of blocking harmful blue light. Accurate magnification strength providing your reading power throughout the lens. melrose readers are ideal not only for digital devices, but also for reading books and magazines. Reading Glasses for women: These square shape will be the best one to match for your face shape. You will love wearing these frames to work and at home. Fashion and Quality Glasses for reading for men and women of all ages The glasses weigh about 50 grams，The glasses are too heavy, the diamond may fall off the glasses, if this happens, please feel free to contact me!! High-definition blue light blocking lens filter out high energy blue ray from digital screen,clear vision and protect eyesight.alleviating discomfort and visual fatigue from long periods of computer use. filter blue light,cut UV 400 (ultraviolet ray),reduce eyestrain and sleep better.High light transmittance with no noticeable yellow tint to prevent color distortion. Blue light blocker&UV400 Lenses, Alleviates visual fatigue and discomfort from browsing mobile phones,tablets, gaming and working under fluorescent lights with UVA/UVB protection and glare reduction. Gift ideas package,reading glasses*1, , microfiber glasses cleaning cloth*1,beautifully designed paper box*1. It is also a gift packaged ready, making it a wonderful yet practical gift idea for friends and families!