Versa Blue Light Blocking Glasses – with Interchangeable 50% and 99% Blocking Lenses

Description   While our DefenderShield Blue Light Glasses protect your eyes from damaging blue light day and night, you will notice an improvement in eye strain that can result in headaches, fatigue, dry eyes, and problems focusing.   While wearing our one-of-a-kind professional and polished DefenderShield Versa Blue Light Glasses, you can feel confident that the negative effects of long-term exposure to harmful blue light are reduced. We have ergonomically developed our unisex blue light blocking glasses for the most comfortable fit imaginable, whether you choose to wear the daytime or nighttime blue light blocking lenses. Designed for a seamless fit with the provided frames, you won't even notice you are wearing clip-ons at all.   After purchase, you can have prescription lenses installed in the frames by your local eyewear store to replace the clear lenses.    Perfect For: home, office, gaming, lounge, computer, smartphone and tablet use Features Each pair of glasses comes with two sleek magnetic clip-on lenses for daytime and nighttime (50% and 99% blue light blocking) Made of Ultem, an advanced, ultra-thin, light, and flexible material used by the aerospace industry CR-90 lenses are lightweight and shatterproof Anti-fatigue element boosts concentration, readability of small characters and improves screen contrast Anti-glare coating virtually eliminates reflections from the front and back surfaces of the lenses Yellow / Amber Lens Benefits: Filter 50% of harmful blue light Best for normal day-to-day use when blue light has less of an effect Ideal working on a computer, laptop, or tablet Slight amber tint that looks similar to regular glasses Allow colors within the visible light spectrum to look most natural Excellent for use while driving in cloudy or rainy weather Solution for those suffering from Electromagnetic Hypersensitivity (EHS) as orange lenses may over-stimulate the eyes Orange Lens Benefits: Filter 99% of harmful blue light Ideal for nighttime use, when blue light has the most effect, while viewing screens, from computers, laptops, tablets, cell phones and other electronic devices Improve sleep quality by helping you fall asleep faster and promoting REM sleep Optimize your circadian rhythm so you wake up feeling well-rested May help prevent risk of glaucoma and premature macular disease Perfect for postoperative protection Optimal for gaming Specifications Weight (lbs): .1 Eye Size (mm): 52 Bridge/Temple Size (mm): 16/140 Frame Material: Ultem Lens Material: CR-39 (plastic polymer) Style: Rectangle Fit: Standard Video