There are a handful of pupillary abnormalities that every clinician should know. Here we review the basic physiology then describe these abnormal pupillary responses and how to find them.

Feb 6, 2026 · The pupillary light reflex (PLR) makes your pupil close in bright light and open in dim light or darkness. Muscles in your iris tighten to open or close your pupil.

Constriction of the pupil occurs when the circular muscle, controlled by the parasympathetic nervous system (PSNS), contracts, and also to an extent when the radial muscle relaxes.

PUPILLARY definition: of or relating to a pupil or student. See examples of pupillary used in a sentence.

Apr 21, 2026 · The meaning of PUPILLARY is of or relating to the pupil of the eye.

Mar 13, 2025 · Pupillary disorders involve the afferent pathways or the efferent pathways. The main types of pupillary abnormalities include anisocoria and Horner's syndrome.

Nov 13, 2025 · The pupillary response describes the automatic change in the size of this opening in reaction to various external and internal stimuli. This constant adjustment is a fundamental function …

PUPILLARY definition: 1. relating to the pupil (= the circular black area in the centre of the eye): 2. relating to the…. Learn more.

Pupillary refers to anything related to the pupil, which is the small, round opening in the center of the eye that controls the amount of light that enters the eye.

Dec 14, 2021 · Pupil is the aperture or an entrance in iris through which the light enters in our eye and reach to retina.