Myopia is the leading cause of distance vision impairment globally, and the number of people affected by myopia continues to rise with 50% of the world population estimated to be affected by 2050.

We are faced with a global epidemic of myopia (short-sightedness) because we are deprived of deep violet light (360-400 nm). Myopia is projected to rise from 23 to 50 percent of the world’s population ...