FEATURES Frame Material: plastic Diopter available: +0.0/+0.5/+0.75/+1.0/+1.25/+1.5/+1.75/+2.0/+2.25/+2.5/+2.75/+3.0/+3.5/+4.0 Lens width: 2 "(50mm) Frame width: 5 3/8"(136mm) Lens height: 1 1/8"(29mm) Frame height: 1 5/16"(34mm) Bridge(DBL): 5/8"(15mm) Temple length: 5 5/16"(135mm) Spring hinge: Yes Lenses: Aspheric Head size: Medium CARE To avoid damage, never clean your eyeglasses with paper towels or clothing or alcohol, and also avoid using household detergents or soaps. While a few mild soaps don't harm lenses, today's extra strength soaps are powerful enough to slowly disintegrate lens coatings. KINDLY NOTICE Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Please ensure that the FRAME SIZE is fit for your head before your pay. Please specify the FRAME COLOR and LENS STRENGTH when pay for this. Please choose [0.0x] if you donnot need reading glasses or magnification strength but JUST BLUE LIGHT PROTECTION.

[Kindly Notice] If you cannot make sure which magnification strength to choose, please use the EYE TEXT CHART we provide on the left. Please specify magnification strength before your pay. Thanks!. MODERN DESIGN - Stylish, modern, trendy design keeps you looking professional while working or playing video games. We cannot imagine the reason why you donnot choose us. ENJOY BETTER SLEEP - The screens we look at every day emit blue light which causes headaches, insomnia, eye strain, and make it harder to fall asleep and stay asleep.With our computer glasses, no more eye fatigue, blurred vision and headache during your computer screen time. Better sleep for you, blue light blocker is there for your eyes and guardian for your exquisite life. CESSBLU BLUE LIGHT BLOCKING GLASSES - CessBlu Blue light Blocking Glasses could protect your eyes from harmful blue light when you are using electronic device, such as monitor, tablet, cell phone, etc. CessBlu computer glasses can cut more than 90% harmful blue light. It helps you work and live in a more healthy way. PRODUCTS DIMENSION - Frame Material is Plastic, Lens width about 2 inches(50mm),Frame width about 5 3/8 inches(136mm),Lens height about 1 1/8 inches(29mm),Frame height about 1 5/16 inches(34mm),Bridge(DBL) about 5/8 inches(15mm),Temple length about 5 5/16 inches (135mm),with spring hinge.[Kindly Notice] In the first picture, the color of the temple is visually affected by the lenses. The real color is shown in the SECOND PICTURE.