Gamers, the geriatric and anyone with a smartphone are feeling the effects of harmful blue light that causes eye strain, headaches, sleep problems and even age-related macular degeneration (the leading cause of blindness among those over age 60). How did eye health all of a sudden become a $300 million supplements category? We caught up with Aaron Ches from Quantum Health to see why macular carotenoids are the hot new thing.