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Eye Phone? Your Next Eye Exam Might Be Done With Your Phone
National Public Radio

Getting an eye exam typically involves big complicated machines. But eye doctors are trying to get the big and complicated out of the equation by using smartphones and tablets instead. That way, they figure, eye exams can be done just about anywhere — even a village in Nepal.

That’s where Dr. Chris Johnson and his colleagues are using iPads to test people for glaucoma, a disease that often has no symptoms until it has irreversibly damaged eyesight. That’s because it nibbles away at vision at the periphery of the visual field.

Finding that out usually involves sitting in front of a big machine and staring at a screen while gray dots appear and disappear.

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