STRONGSVILLE, Ohio -- The Strongsville City School District has hired a Perrysburg, Ohio, firm to implement a drug-testing program for the first time at Strongsville High and Middle schools. Great ...

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 ...

The keen practitioner can gain helpful information simply by assessing pupillary responses. The pupils will offer substantial insight into one’s ocular health and the state of the visual pathways ...

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 ...

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 ...