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KMID : 0360220140550091396
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Journal of the Korean Ophthalmological Society
2014 Volume.55 No. 9 p.1396 ~ p.1400
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A Case of Acquired Ocular Motor Apraxia Accompanied with Esotropia due to Multiple Brain Infarcts
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Kim Yong-Dae
Kim Seong-Joon
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Abstract
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Purpose: We present a case of acquired ocular motor apraxia accompanied with esotropia due to multiple brain infarcts.
Case summary: A 59-year-old male was referred for diplopia that started 9 years before presentation and continued after multiple brain infracts including right cerebellum, right occipital lobe, medulla oblongata and inferior pons. At initial examination, his best corrected visual acuity was 20/22 in the right eye and 20/25 in the left eye and he had 12 prism diopter (PD) esotropia at distance and near in primary gaze with correction. His duction and version were normal; however, his horizontal saccade was notably decreased. Two years and 8 months after presentation, the patient had 15 PD esotropia at distance and near with correction. His duction and version were normal and vertical saccadic eye movements were observed. However, horizontal saccade disappeared. The patient also exhibited a distinguishing head thrust following the order for saccadic eye movement. He was diagnosed with an acquired ocular motor apraxia accompanied with esotropia. During the follow-up period the patient underwent bilateral recession of the medial rectus. The usual diplopia and his horizontal esodeviation improved to 3 PD of esotropia at distance.
Conclusions: Multiple brain infarcts can result in an acquired ocular motor apraxia accompanied with esotropia. Varying types of ocular motor disorders should be considered in patients with a previous medical history of brain infarct.
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KEYWORD
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Diplopia, Esotropia, Head thrust, Infarct, Ocular motor apraxia
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