Description
Product Description The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. Purple blue light blocking glasses Merchant Video The Lenses Effectively Block Blue Harmful Light What Is Harmful Blue Light? Blue light is part of the visible light spectrum - what the human eye can see. Vibrating within the 380 to 500 nanometer range, it has the shortest wavelength amd highest energy. About one-third of all visible light is considered blue light. Sunlight is the biggest source of blue light. Artificial sources of blue light include fluorescent light, LED TVs, computer monitors, smartphones, and tablet screens. Why Do You Need Blue Block Lens? Base on the principle of blue block technology, blue light can be absorb more than 90% of the high-energy blue light which is harmful to the human body by reflecting part of the absorption through the lenses Blue Light Glasses for Woman, UV400 Protection & AR Coating Purple Lens CR39 HMC/AR Coating Lens Anti-Smudge Anti-Reflective Anti-Radiation Anti UV Glare Fatigue WHY CHOOSE GLEASANNA ? GLEASANNA, a brand of professional blue light blocking glasses that aims to help you reduce eye strain to see the digital screen. Get unique computer glasses from GLEASANNA and enjoy the reading of eyesight benefits and stylish features. Stronger UV protection -- Anti-Blu-ray Lenses to protect the eyes from ultraviolet radiation and block UV420 not just UV400. A fashionable style suitable for women, made of high-quality materials that are not easily damaged. BLUE LIGHT BLOCKING CAPACITY TEST BLUE LIGHT IS EVERYWHERE Reduce headache Very nice over your glasses block out blue light. Wearing blue light filter computer glasses are great for gaming, working, or watching television. Anti eye fatigue 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. Blue Light Blocking Glasses for Woman Men Add to Cart Add to Cart Customer Reviews 4.4 out of 5 stars 30 4.5 out of 5 stars 36 4.1 out of 5 stars 29 4.3 out of 5 stars 36 Price $49.99 $ 49 . 99 $44.99 $ 44 . 99 $49.99 $ 49 . 99 $44.99 $ 44 . 99 Lenses Material CR39 CR39 CR39 CR39 Frame Material Acetate Acetate Acetate Acetate Blue light blocking ✔ ✔ ✔ ✔ Anti UV/Ray ✔ ✔ ✔ ✔ Anti Glare ✔ ✔ ✔ ✔ Anti-Reflective ✔ ✔ ✔ ✔ Scratch-Resistant ✔ ✔ ✔ ✔ Anti Eyestrain ✔ ✔ ✔ ✔