Gy snail Blue Light blocker Glasses : Focus on Digital LifeWhy we need GY snail bluelight eyeglasses?A main source of blue light in our lives is the harmful blue light emitted by our digital screens. From TVs to tablets, and computers to phones, we’re constantly exposing ourselves to unnatural blue light. Let GY glasses help you !Blue light blocking --Blue light filter lenses help you resist 99% harmful blue light, reduce discomfort from web surfing, gaming and working under fluorescent lights.Transparent lens -- The lens was made of a fully transparent base, without adding any pigment, while maintaining high light transmittance. Restore true color, eliminate reflected or scattered light.Minimize headache&Sleep better--Wearing your blue light glasses, no more tired eyes. Reduce eye strain and sensitivity to light when facing digital screens. Great for office workers or anyone who has to look at screen all day. Measurements:- Overall Width:142mm- Lens width: 50 mm - Lens height: 41 mm- Bridge: 20 mm- Arm: 135 mmPackage Includes: 1*blue Light Blocking Glasses;1*microfiber Soft Glasses Cloth;1*hard Protection Case;7*blue Light Blocking Test Tools.