Specs that help you focus: Wellness firm launches $590 smart glasses that monitor your BRAINWAVES and change color if you aren't paying attention - Narbis
Electronic Eyeglasses and Electronic Contacts - eVision Optics
Amazon.com: DIDINSKY Reading Glasses for Men and Women. Blue Light Blocking Computer Readers. Rubber Touch Flexible Temple and Anti Glare Glasses. Ferrari 0.0 - UFFIZI : Health & Household