FOCUS ANTI-GLARE Computer Glasses Reduces Blue Light & Fatigue Black Half-Eye

Focus Anti-Glare Optics by Envision Eyewear.  Blue light reducing lenses helps reduce eye fatigue, and sharpens contrast while using computer.  HALF-EYE WITH SPRING HINGES.Helps reduce Circadian sleep cycle issues related to excess blue light coming from CFL, Fluorescent, and LED bulbs that are everywhere in ourlives now.  Blue light is also coming from LED TV's. tablets, smartphones, laptops and computer screens.  Also works great as night driving glass! what are the health benefits of focus anti-glare eyeglasses? Recently there are numerous reports and information coming to light about the effect of Blue Light sources on our eye health.  Excess blue light can cause numerous eye health issues, and in addition cause difficulty with getting quality sleep.  Many companies are offering glare blocking guards for tablets and computer screens, and optical companies are offering anti-glare coatings and lenses for prescription that also help filter out the excess blue light.  Here at Envision