It is the most harmful wavelength emitted next to Ultraviolet (UV) light.
Discomfort caused by prolonged use of digital devices can cause headaches, dry eyes, blurred vision, as well as neck and shoulder pain
Blue light has proven to suppress melatonin, a hormone that regulate sleep wakefulness. Which digital screens at work, home and school, in lamps, computer, mobile screens, etc.. Most american has 7.4 hours daily screen time.
Exposure to UV and Blue Light are two of the primary contributors of Age related Macular Disease. AMD is a chronic eye disease that can lead to loss of vision later in life