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 ...

Our eyes do more than just help us see the world—they can also reveal critical insights into our psychological state. Changes in pupil size, shape, and reactivity can sometimes signal underlying ...

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.

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 ...

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 ...

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 ...

Anisocoria is when the pupils of your eyes are different sizes. Sometimes, unequal pupils can be a sign of health issues like multiple sclerosis or nerve damage. Medications placed in the eyes can ...

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 ...

Eye cancer develops through uncontrolled abnormal cell growth within, or surrounding the eye tissue. Three primary eye cancer types exist: intraocular melanoma primarily affects adults, retinoblastoma ...