Scientists from the University of California San Diego School of Medicine are suggesting Alzheimer’s disease may be detected years before symptoms appear by examining pupil dilation. The new study ...

Pupils, which are the dark dots in the center of your eyes. They shrink or widen to control how much light gets into your eye. During the test, your doctor will make sure your pupils are in the right ...

Researchers at the University of California (UC) San Diego School of Medicine say that with further developments measuring how quickly a person’s pupil dilates while they are taking cognitive tests ...

PORTLAND, Ore. (KOIN) — A new study published by researchers at Washington State University suggests testing how the eyes’ pupils change in response to light could potentially be used to screen for ...

The study, led by researchers from UNSW Sydney and published in eLife, found that the pupils of people with aphantasia did not respond when asked to imagine dark and light objects, while those without ...