GLARE-X40 Anti-Glare Computer Readers 2-Pack Neck Hanger Temples Rectangle

2-Pack!  Focus Anti-Glare Optics by Envision Eyewear.  Blue light reducing lenses helps reduce eye fatigue, and sharpens contrast while using computer.  Great Value at $24.99!  MSRP on this item is regularly $19.99.  It's always great to have a spare pair of readers! Helps reduce Circadian sleep cycle issues related to excess blue light coming from CFL, Fluorescent, and LED bulbs that are everywhere in our  lives now.  Blue light is also coming from LED TV's. tablets, smartphones, laptops and computer screens.*NEW FRAME Design!  "NECKSTER" is a new and IMPROVED version with spring temples and improved lens hard-coatings.  Great quality, fit and function with temples that are curved and allow glasses to hang around the neck!  Cleaning Cloth included.  Optical measurements are 49mm x 19mm x 150mm.>This new lens is very light gold with barely noticeable anti-reflective coating.  The AR coating has a barely perceptible green shine.  See the pic with mannequin head. what are the health b