| Use of Video-oculography in the Diagnosis of Superior Oblique Myokymia. |
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Sae Rom Chung, Tae Eun Lee, In Cheon You, Nam Chun Cho, Min Ahn |
1Department of Ophthalmology, Chonbuk National University Medical School, Jeonju, Korea. ahnmin@jbnu.ac.kr
2Research Institute of Clinical Medicine, Chonbuk National University, Jeonju, Korea.
3Biomedical Research Institute, Chonbuk National University Hospital, Jeonju, Korea. |
| 비디오안구운동도를 이용한 상사근 근파동의 진단 |
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정새롬1⋅이태은1⋅유인천1,2,3⋅조남천1,2,3⋅안 민1,2,3 |
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전북대학교 의학전문대학원 안과학교실1, 전북대학교 임상의학연구소2, 전북대학교병원 의생명연구원3 |
Correspondence:
Min Ahn,
Email: ahnmin@jbnu.ac.kr
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Received: 28 April 2016 • Revised: 13 June 2016 • Accepted: 29 July 2016 |
| Abstract |
PURPOSE
Superior oblique myokymia is intermittent spontaneous contractions of the superior oblique muscle presenting as rapid and small-amplitude intorsions and depressions of the eye. The authors report a case of superior oblique myokymia that was objectively and quantitatively diagnosed with slit lamp examination and video-oculography and completely resolved with medical treatment. CASE SUMMARY: A 44-year-old woman presented with a seven-year history of intermittent oscillopsia which continued for few seconds. She had no history of head trauma or systemic ocular disease, and the anterior segment and fundus examination were unremarkable. Right eye intorsion lasting for a few seconds as detected by slit lamp examination. Eye movements were recorded using video-oculography, which showed a torsional nystagmus of 5 to 10 degrees with 2 to 5 vertical components in the right eye. Based on these findings, the patient was diagnosed with superior oblique myokymia. The patient was prescribed topical timolol ophthalmic solution, one drop twice per day, but the symptoms persisted. Timolol ophthalmic solution was stopped and replaced with carbamazepine, 200 mg twice a day, which resolved her symptoms. CONCLUSIONS: Slit lamp examination and video-oculography can be used as objective and quantitative diagnostic tools in order to confirmed a diagnosis and lead to proper treatment. |
| Key Words:
Carbamazepine;Slit lamp examination;Superior oblique myokymia;Video-oculography |
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