MeSH definition : Unequal pupil size, which may represent a benign physiologic variant or a manifestation
of disease. Pathologic anisocoria reflects an abnormality in the musculature of the
iris (IRIS DISEASES) or in the parasympathetic or sympathetic pathways that innervate
the pupil. Physiologic anisocoria refers to an asymmetry of pupil diameter, usually
less than 2mm, that is not associated with disease.;
Unequal pupil size, which may represent a benign physiologic variant or a manifestation
of disease. Pathologic anisocoria reflects an abnormality in the musculature of the
iris (IRIS DISEASES) or in the parasympathetic or sympathetic pathways that innervate
the pupil. Physiologic anisocoria refers to an asymmetry of pupil diameter, usually
less than 2mm, that is not associated with disease.