CORONADO, California — Transient pupil contractions in response to bright blue light can objectively reveal optic neuropathy in one eye, independent of its fellow eye, researchers say. "This could be ...

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 ...

Early testing of schoolchildren has no impact on their educational attainment down the line. Nor do the tests have any effect ...

Marcus Gunn pupil is also known as Marcus Gunn sign and relative afferent pupillary defect (RAPD). It’s when the eye’s pupil only slightly contracts or dilates when light shines over it, instead of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. AKRON, Ohio– Police now have new technology ...

While judging their sensory environments, decision-makers seem to use the uncertainty about their choices to guide adjustments of their subsequent behaviour. One possible source of these behavioural ...