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Subspecialties Basic & Translational Research, Retina

Blinded by the Light

As a child, you may have been told, “Don’t spend so long in front of the TV… your eyes will go square!” – but what if the truth was more serious? A team at the University of Toledo, OH, USA, has found that blue light emitted by digital devices – and the sun – could permanently affect eyesight.

The research, led by Ajith Karunarathne, found that, when exposed to photoexcitation by blue light, the photoreceptor chromophore 11-cis retinal (11CR) and its photoproduct, all-trans-retinal (ATR), could irreversibly distort PIP2 (a plasma membrane-bound phospholipid), disrupting downstream signaling and inducing oxidative damage, ultimately leading to cell death (Figure 1)(1).

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About the Author

Phoebe Harkin

I’ve always loved telling stories. So much so, I decided to make a job of it. I finished a Masters in Magazine Journalism and spent three years working as a creative copywriter before itchy feet sent me (back)packing. It took seven months and 13 countries, but I’m now happily settled on The Ophthalmologist, where I’m busy getting stuck into all things eyeballs.

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