Bernasconi O, Borruat F X
Service Universitaire d'Ophtalmologie, Hôpital Jules Gonin Lausanne.
Klin Monbl Augenheilkd. 1998 May;212(5):392-3. doi: 10.1055/s-2008-1034915.
Accommodation-convergence spasm (spasm of the near reflex) is usually bilateral, resulting in increased myopia, convergence, and miosis. Unilateral spasm of accommodation has rarely been reported.
We investigated three females (age range 10-19 years) referred for investigations of retrobulbar optic neuritis (2 cases) and decompensated esophoria (1 case).
They all presented unilateral spasm of accommodation with visual loss due to increased myopia (-3.5 to -11.75 diopters). Apart from that, results of neuro-ophthalmological examination were normal.
Unilateral accommodation spasm is rare and can mimic retrobulbar optic neuritis and convergent strabismus. The three components of the accommodation-convergence spasm may not always be present simultaneously. Recognizing such an entity is important to prevent the patient from useless, costful and potentially harmful investigations.
调节性集合痉挛（近反射痉挛）通常为双侧性，可导致近视增加、集合增强和瞳孔缩小。单侧调节痉挛鲜有报道。
我们对三名女性患者（年龄范围10 - 19岁）进行了研究，她们分别因球后视神经炎（2例）和失代偿性内隐斜（1例）前来接受检查。
她们均表现为单侧调节痉挛，并因近视增加（-3.5至-11.75屈光度）导致视力下降。除此之外，神经眼科检查结果均正常。
单侧调节痉挛较为罕见，可类似球后视神经炎和共同性斜视。调节性集合痉挛的三个组成部分并非总是同时出现。认识到这一病症对于防止患者接受无意义、昂贵且可能有害的检查非常重要。
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