Frequently Asked Questions About Blue Light and Good, Healthy Vision in the Digital World

Blue, high-energy visible light is a much-discussed topic. We've covered a lot of interesting facts and information in the featured story about blue light and its effects on our eyes, our visual comfort, and our sleep rhythm, as well as some of its positive effects. The following article covers an additional list of frequently asked questions about blue light.

• Are computer screens really bad for eye health? 
• Can the use of a smartphone disrupt sleep cycles? 
• Do lenses that filter or reduce blue light help?

Basically, it comes down to the fact that blue, high-energy light and its effects on eye health and well-being remains a topic that is subject to more in-depth research.

The blue light spectrum borders directly on the ultra-violet range, which has long been established as a health hazard with detrimental effects on biological cells. But the current state of scientific and clinical research suggests that there is no acute risk of retinal damage caused by interior lighting of any kind or by the daily use of mobile devices such as smartphones and tablet PCs. The intensities of artificial blue light from LEDs and screens are far below any currently defined thresholds related to blue light hazards.

Nevertheless, blue light can have an impact on our visual comfort, wellbeing, and our wake-sleep cycle. Read more about that in the main article “Blue Light and Vision”.