J Korean Ophthalmol Soc.
1982 Sep;23(3):817-821.
A Case of Hysterical Convergence Spasm
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- 1Department of Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea.
Abstract
- Convergence spasm is characterized by esotropia at near fixation in otherwise orthophoria or possibly exotropia at distance. A sustained convergence is usually associated with spasm of accomodation. This syndrome classically includes induced myopia, miosis of accomodation, esotropia and diplopia which increase at near fixation. A spasm of convergence of organic origin is very rare indeed but has been in central nervous system diseases of irritative type such as meningitis, encephalitis and post-encephalitic states. This condition may be seen in hysteria and traumatic neurosis. The case reported in the following was an 11 year old boy who presented with hysterical convergence spasm associated with an increase in accomodation, miosis and nystagmus at near fixation.
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