• Jing Fu, Hui Yang, and Shasha Liao.
• The College of Clinical Medicine 2, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China.
• Medicine (Baltimore). 2024 Aug 2; 103 (31): e39144e39144.

RationaleSudden ocular dyskinesia is usually associated with ophthalmic diseases and rarely with cerebrovascular diseases. This is a rare case of a patient with a sudden onset of ocular dyskinesia due to occlusion of the anterior inferior cerebellar artery and the spiral modiolar artery. This article describes eye movement disorders associated with cerebrovascular disease, aiming to improve our understanding of cerebrovascular diseases and improve the ability of early diagnosis and differential diagnosis.Patient ConcernsA 52-year-old man presented with acute pontine cerebral infarction 2 days before presentation. The main symptoms were the inability to adduct and abduct the left eyeball, the ability to abduct but not adduct the right eyeball, and horizontal nystagmus during abduction. Cranial computed tomography in our emergency department suggested cerebral infarction, and magnetic resonance imaging examination after admission confirmed the diagnosis of acute pontine cerebral infarction.DiagnosisThis patient was ultimately diagnosed with acute pontine cerebral infarction.InterventionsHe received aspirin, clopidogrel, and butylphthalide, as well as acupuncture and Chinese herbal medicine.OutcomesAfter 10 days of treatment, the patient's paralysis of the eye muscles improved significantly.LessonsEye movement disorders are sometimes an early warning sign of impending vertebrobasilar ischemic stroke. Patients with acute ischemic stroke who have early detection of oculomotor disturbances should be promptly imaged, as missed diagnosis may lead to serious consequences or even death. It provided us with a new diagnostic idea.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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