A better written article, http://www.livescience.com/31949-led-lights-eye-damage.html
And the original research, http://onlinelibrary.wiley.com/doi/10.1111/j.1751-1097.2012.01237.x/abstract And the researcher, https://en.wikipedia.org/wiki/Celia_S%C3%A1nchez-Ramos On Sun, Aug 11, 2013 at 12:00 AM, Srini RamaKrishnan <[email protected]> wrote: > I'm waiting for research some day to start screaming that staring at > computer screens (and not to mention social networks) causes > depression and loneliness. > > > http://www.edn.com/electronics-blogs/led-zone/4419340/Do-LEDs-cause-blindness > > Do LEDs cause blindness? > Carolyn Mathas - August 6, 2013 > > > According to a study led by Dr. Celia Sánchez-Ramos, of Complutense > University in Madrid, light from LEDs comes from the short wave, > high-energy blue and violet end of the visible light spectrum. She > indicated that prolonged and continuous exposure to LED light might be > sufficient to damage the retina. In a recent interview, she indicated > that the problem would worsen as people live longer and children use > electronic devices at a young age, particularly for schoolwork. > > Her study, published in the journal Photochemistry and Photobiology in > 2012 found that LED radiation caused significant damage to human > retinal pigment epithelial cells in vitro. She states that humans are > exposed to artificial light for the majority of the approximately 6000 > hours annually their eyes are open. > LEDs have also been blamed for bleaching the paint on such > masterpieces as Van Gogh and Cézanne in art galleries. The professor > of the University College of Optics at the Complutense says LED lights > are made up of rainbow longitude waves, but it’s the blue part that > causes the problem. > Offering up some possible aid, she indicates that using good > sunglasses with UV filter rays, and a healthy and varied diet rich in > Vitamin A – which comes from spinach and peppers – will protect the > eyes. It seems to me that most LED lighting is indoors where people > seldom use sunglasses. > > As far as the food goes, she indicates that Vitamin A has a high > concentration of visual pigments, known as maculars, which are > responsible for absorbing the harmful elements of light such as > short-wave blue and violet rays. However, human being's ability to > store these pigments reduces with age. > > The MAPFRE Foundation, the charitable arm of the Spanish insurance > company MAPFRE, financed the professor’s investigation into eye damage > caused by LEDs.
