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 ...

A 9-year-old girl presented to the glaucoma service at the New England Eye Center at Tufts Medical Center for evaluation of elevated IOP that had been managed by her pediatric ophthalmologist since ...

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.

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 ...

Pupil size in response to light could serve as a biomarker for concussion, according to a study published in Life. “A concussive injury to the brain is associated with changes in the PLR [pupillary ...

Bilateral light-near dissociation of the pupil reactions is typically caused by rostral midbrain lesions, which interrupt the retinotectal input to the Edinger–Westphal nuclei, but not the more ...

Dilated pupils mean that your pupils appear larger in size. The most common reason for dilated pupils is low light in a dark room since lower light causes your pupils to grow. Dilated pupils are also ...

A 3-year-old girl with an unremarkable medical history suddenly developed dilated pupils and trouble walking, according to a case report in JAMA Ophthalmology. The child was brought in to the ...

Researchers are reporting progress in understanding whether a second light-sensing pathway in mammals indeed contributes to the detection of ambient light for controlling body functions. January 10, ...

The size of your pupils varies throughout the day, but most people’s pupils fall within a particular size range. We’ll look at when and why your pupils change size. First, the range of “normal” pupil ...