Cyclic exotropia associated with retinitis pigmentosa |
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Authors: | Jeong-Min Hwang Jeeyeon Kim |
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Institution: | (1) Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi-do, 463-707, South Korea;(2) Department of Health Science, McMaster University, Hamilton, Ontario, Canada |
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Abstract: | Purpose To report the occurrence of cyclic exotropia in a patient with retinitis pigmentosa.
Methods A 31-year-old man presented with cyclic exotropia of the left eye of 4 years duration that alternated every 24 h. A detailed
ophthalmologic examination was performed.
Results The patient showed an orthotropia and a comitant left exotropia of 30 prism diopters at distance and 25 prism diopters at
near in the primary position on an exotropic day with a cycle of 48 h. A fundoscopic examination showed bone spicule formation
and arteriolar narrowing, and electroretinography showed no response in either eye. A Goldmann visual field examination showed
a central island in both eyes.
Conclusions Cyclic exotropia may occur in patients with retinitis pigmentosa, an association that to the best of our knowledge has not
been previously reported in the English ophthalmic literature. Cyclic exotropia is an unusual association with retinitis pigmentosa. |
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Keywords: | Cyclic exotropia Retinitis pigmentosa |
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