Please provide your email address to receive an email when new articles are posted on . Visual field defects, afferent pupillary defects and abnormal optic discs were associated with positive ...

Anisocoria is a term that refers to an abnormal condition in which the pupils of the two eyes in the same individual are of different sizes. Normally, the size of the pupil is identical in both eyes.

An abnormal pupillary light reflex (PLR) is commonly detected in patients with glaucoma, and these differences can be used to distinguish glaucomatous eyes from unaffected eyes, according to the ...

Study shows the NPi® differential is another value measured by the NPi Pupillometer that clinicians should consider when managing critically ill patients IRVINE, Calif.--(BUSINESS WIRE)--A new ...

MONT TREMBLANT, Canada — Observation of abnormal pupil movements can help diagnose the aberrant nerve regeneration that causes misdirection syndromes, said Randy H. Kardon, MD, PhD. Learning the pupil ...

The PERRLA test is a standard eye examination that can help healthcare professionals diagnose a wide range of health issues, including vision problems and some neurological conditions. People may ...

Abnormalities in reward processing may be a critical part of understanding nonmotor manifestations of Parkinson’s disease (PD). Dysfunction in dopaminergic pathways, which signal upcoming rewards, ...

New research suggests that two simple, quantifiable measures -- spontaneous fluctuations in pupil dilation or heart rate -- could enable earlier diagnosis of Rett syndrome and possibly other disorders ...

IRVINE, Calif.--(BUSINESS WIRE)--A new peer-reviewed study shows that even one occurrence of an abnormal Neurological Pupil index™ (NPi®) differential, measured by NeurOptics’ NPi Pupillometer, can be ...