Time takes its toll on the eyes.
Now a funky, Hitchcockian video of 64 eyeballs, all rolling and blinking in different directions, is providing a novel visual of one way in which eyes age.
Lab studies have previously shown that the eye’s pupil size shrinks as people get older, making the pupil less responsive to light. A new study that rigged volunteers up with eye-trackers and sent them traipsing around a university campus has confirmed what happens in the lab happens in real life, too.
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