4-year-old Boy in Surgery — 4yo Child | Ophthalmology | SMLE Q#17171
SMLE Question #17171
Surgery
Ophthalmology
Last updated: February 2026
A 4-year-old boy has 3 months of intermittent vertical diplopia, worse when reading or walking downstairs. He tilts his head to reduce symptoms. Ocular motility exam shows right hypertropia that increases when the right eye is adducted and looking down. Which of the following is the most likely diagnosis/nerve involved?
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