![]() "They were looking at their smartphones and they just happened to have one eye covered because they were lying in bed," says Omar Mahroo, an ophthalmologist at Moorfields Eye Hospital in London and an author on the letter. They're calling the affliction "transient smartphone 'blindness.' " It can also signal a compressed optic nerve.īut after further investigation, researchers writing Wednesday in The New England Journal of Medicine think the problem is much simpler. Vision loss in one eye can be a sign that a person is having a small stroke, which is why one of the women was put on blood thinners and the other got a brain scan. It was bothersome enough to land her in the emergency room. On some mornings, she'd lose vision in just one eye for up to 20 minutes. But it was a disturbing trend.Īround the same time, another woman noticed the same thing. When she went to the doctor, her vision appeared normal. All she could see out of it were vague shapes in the room.Īt first, it happened about two or three times a week. But on some nights, the right eye failed her. ![]() She could always see fine out of her left eye. Gazing at a smartphone in the dark can give people the feeling that they've temporarily lost vision in one eye.Ī 22-year-old woman in England thought she was going blind in one eye. ![]()
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