ANISOCORIA AND HORNER'S SYNDROME

WHAT IS ANISOCORIA?

• A disorder in which the pupils are a different size at the same time
• Nearly 20% of the population has anisocoria

WHAT IS HORNER'S SYNDROME?

• Different sized pupils
• Droopiness of upper eyelid
• Raised lower eyelid
• Caused by underlying symptoms

SIGNS AND SYMPTOMS

• Different sized pupils (Anisocoria)
• Droopiness off upper eyelid of affected eye
• Raised lower eyelid of affected eye
• One pupil does not dialate as well as the other

CAUSES OF ANISOCORIA

• Inflammation of the eye
• Horner's syndrome
• Unknown causes

CAUSES OF HORNER'S SYNDROME

• Tumor in the top of the lung
• Injury to carotid artery
• Injury to brachial plexus
• Migraine or cluster headaches
• A stroke ormother damage to the brainstem

TESTS

• Different eyedrops for anisocoria
• MRIs for Horner's syndrome
• CT scans

TREATMENT

• The treatment lies at the underlying cause

PREVENTION

• Horner's syndrome cannot be prevented

RISK FACTORS

• About 20% of the population has anisocoria
• There is not a racial, age, or gender prediction

SOURCES

• aapos.org/terms/conditions/27
• myvme.com/diseases/horner-syndrome