Abstract:Convergence-retraction nystagmus alongside behavioral changes can be rare manifestations of a potentially life-threatening midbrain lesion. After experiencing headaches for three months, a 13-year-old boy was diagnosed with depression due to exhibiting reduced speech, hypersomnia, and psychomotor slowing for three weeks. It was preceded by headache for three months. Examination revealed visual acuity of 6/6 bilaterally, convergence-retraction nystagmus worst on upgaze, limited bilateral ocular motility in upga… Show more
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