Year Invented - 1750 (original) & 1980s (modern)
Inventor - James Asycough (original - English Optician)
Function - Filter or block blue light from digital screens and artificial lighting to reduce eye strain, as well as improve visual comfort.
Details - Also believed to potentially help maintain healthy sleep patterns by minimizing disruption to the body’s natural circadian rhythm. However, recent studies have proved inconclusive on their actual positive effects (i.e., past positive results may just be placebo effect).
Visual representation of blue light glasses.