Type of Lenses, which you can be choosed from drop-down according to their features. Product description will be applicable according to type of lenses you choose. CR Hard caoat lenses and Anti-glare lenses do not have blue-light blocking feature.There are three types of lenses:CR Hard Coat Lenses: Traditional lens which is generally used by people when you do not have mobile or computer work more than one hour. It is a cost effective lens.Anti-glare Lenses: Its a anti-reflective lens and you can use it if you have 2-3 hours mobile or computer work.Bluecut Lenses with feature Anti-glare: It is a new technology lens which is trending and used by most of professionals. It protect your eyes from harmful blue-light.You can use this lens 10+ hours a day staring at digital screensBlue Light Blocking Glasses for the Digital GenerationOpticalskart is the leading brand of zero-powered computer glasses that block harmful blue-light displayed by digital devices. On average, people spend 10+ hours a day staring at digital screens. Yet traditional glasses are only designed for reading books, not computers. Opticalskart glasses provide stylish protection so you can enjoy less eye strain.The Right TechnologyIf you’re familiar with computer glasses then you know others can be yellow with low transparency. Not a good look. Opticalskart is engineered to be virtually clear while delivering unparalleled protection and eye comfort.Why filter out blue light?The blue light emitted by screens reaches deeper into the eye and its cumulative effect can cause damage to the retina. Heavy exposure to blue light can cause symptoms of eyestrain, eye fatigue, migraines, and dry eyes.
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