Blue light from your smartphone could accelerate blindness, studies show

STILL NOT DONE: Viral Videos Photo: Pixabay via MGN

WASHINGTON (CIRCA) – An increase in exposure to blue light can accelerate blindness, according to a new study by the University of Toledo.

Blue light causes the formation of toxic molecules in the light-sensitive cells of your eye, especially in your photoreceptor cells, when you spend a long time with your smartphone, laptop or tablet.

"We are constantly exposed to blue light, and the cornea and lens of the eye can not block or reflect it," Dr. Ajith Karunarathne, assistant professor at the UT-Institute of Chemistry and Biochemistry, in a press release.

Karunarathne suggests wearing sunglasses that can filter out UV and blue light outdoors. It is also suggested that you look at your devices in the light and not in the dark.

"It's poisonous, and when you emit blue light on the retina, the retina kills photoreceptor cells when the signaling molecule on the membrane dissolves," said Kasun Ratnayake, a graduate student. "Photoreceptor cells do not regenerate in the eye, and when dead, they are dead forever."

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