Year Invented - 1750 (original) & 1980s (modern)
Inventor - James Asycaugh (original - English Optician) & Joseph Sugarman (modern - American marketing professional)
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., may just be placebo effect).
Visual representation of blue light glasses.
Photo Credits: Vecteezy