EYE FOCUS | COVER STORY
BY DAVID GOLDBERG
BLUE LIGHT IS ALL AROUND US . Every time
you step outside , you ’ re literally bathing in blue light rays emanating from the sun and it ’ s actually not bad for you . So why did blue light get such a reputation in recent years ?
According to a Market Study Report , the global market for blue light eyewear will grow to $ 24 million in 2024 , up from just $ 18 million in 2019 .
Dr . Sunir Garg , an ophthalmologist in Philadelphia , explains why lens manufacturers have been taking such a keen interest in blue light-blocking technology .
“ What happens to some folks is that when they get intense light exposure before bedtime , perhaps with any light , perhaps particularly with blue light , it can mess up their circadian rhythm ... that ’ s not true of everybody , but there ’ s some people that can definitely be an issue .”
22 EYE FOCUS | February Digital 2021