In a patient with unilateral Horner’s syndrome present from birth, what is a possible characteristic of the affected eye?

Author: Alexander Z
2. Clinical Neurology
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October 11, 2024

In a patient with unilateral Horner’s syndrome present from birth, what is a possible characteristic of the affected eye?

A: The affected eye may have a larger pupil

B: The affected eye may have a lighter iris color

C: The affected eye may have increased tearing

D: The affected eye may have a darker iris color

In unilateral Horner’s syndrome which has been present from birth, the iris of the affected eye may remain blue when the other becomes brown (heterochromia). This occurs because the lack of sympathetic stimulation affects melanin pigmentation in the iris.

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In a patient with unilateral Horner’s syndrome present from birth, what is a possible characteristic of the affected eye?

In a patient with unilateral Horner’s syndrome present from birth, what is a possible characteristic of the affected eye?

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