Anisocoria in Cats

Unequal pupil sizes in a cat indicate an underlying eye or neurological problem rather than a diagnosis by themselves. Veterinary examination determines the cause and the risk to vision.

Editorial overview based on the linked VCA resource; this is not the complete original handout. Prepared 2026-10-03; not veterinarian-reviewed. Diagnosis and treatment, including medication choice and dose, require veterinary guidance.