By Harmony Bh 8972m 03 Unisex Blue Light Shield

Gender: Unisex; Body : Metal ; Glass: PC lens optics; Body color : Transparent; Gauge: 45; Nose pitch : 25 ; Handle length: 140; It's not an optical product. It's not a medical device. ; The glasses, which are produced using environmentally friendly 100% organic dyes, are 100% recyclable and environmentally friendly, thanks to its raw material. ; The glass features uv protection crystal color. It's designed to help reduce the occurrence of digital eyestrain and prevent disruption of the circadian rhythm cycle that affects sleep and general health, and it blocks harmful blue light while changing the wavelength that affects the circadian rhythm. ;.