Vercher J L, Gauthier G M, Semmlow J L, Putteman A, Bérard P V
Laboratoire de Contrôles Sensorimoteurs, Centre Scientifique Saint-Jérôme, Marseille, France.
Bull Soc Belge Ophtalmol. 1994;253:127-34.
Whether surgery should be used to correct for accommodative esotropia is still largely debated among strabologists. Fincham's theory (Fincham and Walton, 1957), describing the interaction between accommodation and vergence control systems (accommodative vergence and vergence accommodation), has been extensively studied. Models suggest that weakening of the accommodative vergence should correct esotropia. To test the model proposed by Semmlow (1981), we compared AC/A ratios in esotropic children and age-related normals (orthophoric) and monitored AC/A ratios for immediate (first week) and long term (1-2 months) changes in esotropic children following surgical correction. The AC/A ratio was determined at near and far. The accommodation stimulus was modified using lenses. The slope of the regression line between accommodation stimulus and disparity provided a measurement of AC/A ratio. Preliminary results show a normalisation of AC/A ratio occurring during the first month after surgery, supporting Semmlow's model and validating surgery as a means to correct for accommodative esotropia.
对于是否应通过手术来矫正调节性内斜视，斜视专家们仍存在很大争议。芬奇姆理论（芬奇姆和沃尔顿，1957年）描述了调节与聚散控制系统（调节性聚散和聚散性调节）之间的相互作用，该理论已得到广泛研究。模型表明，减弱调节性聚散应能矫正内斜视。为了验证塞姆洛（1981年）提出的模型，我们比较了内斜视儿童与年龄相关的正常（正位）儿童的AC/A比率，并监测了内斜视儿童在手术矫正后即刻（第一周）和长期（1至2个月）的AC/A比率变化。AC/A比率在近距和远距条件下测定。使用镜片改变调节刺激。调节刺激与视差之间回归线的斜率提供了AC/A比率的测量值。初步结果显示，术后第一个月AC/A比率恢复正常，这支持了塞姆洛的模型，并验证了手术作为矫正调节性内斜视手段的有效性。
