The prevalence of electronic screen-related ocular symptoms is estimated as high as 50–90% in adult electronic screen users. Due to a lack of scientific literature in the area, the corresponding statistic is not known for children. Children’s use of electronic screens, however, has become more commonplace (home and school), 4a begins earlier in childhood than in the past,5a and can last for long periods of time.
Most LED lights emit a cool white light that is brighter and more likely to create glare than traditional lighting. LED lights can also emit a large amount of blue light which is known to scatter in the atmosphere and make it harder for the human eye to focus. This glare may be especially debilitating for drivers and pedestrians with less than perfect vision.