computer reading glasses 5 pack blue light blocking glasses anti eyestrain flexible readers for women men (multicolor, 0.5) kerecsen each pair of computer glasses protects against harmful blue light from computers and other electronic devices. blue light glasses are essential for those who spend a lot of time in front of a screen - especially at work. our glasses function as excellent work glasses for computer use and block blue light to help your eyes feel less strained throughout the day.