All of the following are clinical findings of Horner syndrome, EXCEPT:
Correct Answer: Mydriasis
Description: The physical findings of ipsilateral ptosis and miosis and anhidrosis are characteristic of Horner syndrome. Interruption of the sympathetic nerve impulses controlling the Mueller muscle in the upper eyelid and the iris dilators causes these classic findings. Retraction of the eyeball (enophthalmos), considered a component of the syndrome, is probably an illusion created by narrowing of the palpebral fissure. Ref: Ropper A.H., Samuels M.A. (2009). Chapter 14. Disorders of Ocular Movement and Pupillary Function. In A.H. Ropper, M.A. Samuels (Eds), Adams and Victor's Principles of Neurology, 9e.
Category:
Ophthalmology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now