J Pediatr Ophthalmol Strabismus. 2021 Nov-Dec;58(6):350-354. doi: 10.3928/01913913-20210615-02. Epub 2021 Aug 26.
PURPOSE: To explore the relationship between ocular position control ability and stereopsis recovery in children with intermittent exotropia, and to analyze the influencing factors of distance stereopsis recovery. METHODS: In this retrospective study, 78 children with small angle intermittent exotropia received vision training for 3 months. All patients were examined for distance stereopsis with the synoptophore and for near stereopsis with the Titmus stereogram before and after the training. The patients were divided into low and high Newcastle Control Score (NCS) groups. The stereopsis of the two groups was compared. Logistic regression analysis was used to analyze the influencing factors of distance stereopsis recovery. RESULTS: Among 78 children with intermittent exotropia, 33 had near stereopsis (42.3%) and 22 had distance stereopsis (28.2%); the difference was significant ( < .05). After 3 months of training, there were statistically significant differences between distance and near stereopsis in the low NCS group and the high NCS group (chi-square = 7.127, = .008; chi-square = 13.005, < .001). The number of children with distance and near stereopsis in the low NCS group increased significantly compared with before training (chi-square = 13.471, < .001; chi-square = 22.244, < .001). Multivariate logistic regression analysis showed that age of onset (odds ratio [OR] = 3.768, = .001), near point of convergence (OR = 0.347, = .002), and NCS (OR = 0.142, = .002) were risk factors that affected stereopsis recovery in children with small angle intermittent exotropia. CONCLUSIONS: Control ability is one of the important indicators to assess the severity of intermittent exotropia. The worse the control ability, the more difficult the recovery of stereopsis. Age of onset, near point of convergence, and NCS are risk factors that affect the recovery of distance stereopsis. .
目的:探讨间歇性外斜视儿童眼位控制能力与立体视恢复的关系,并分析影响远距离立体视恢复的因素。
方法:本回顾性研究纳入 78 例小角度间歇性外斜视患儿,均接受 3 个月的视觉训练。所有患者在训练前后均采用同视机检查远距离立体视,采用Titmus 立体图检查近距离立体视。根据 Newcastle 控制评分(NCS)将患者分为低 NCS 组和高 NCS 组,比较两组患者的立体视锐度。采用Logistic 回归分析分析影响远距离立体视恢复的因素。
结果:78 例间歇性外斜视患儿中,33 例(42.3%)有近距离立体视,22 例(28.2%)有远距离立体视,差异有统计学意义( <.05)。3 个月训练后,低 NCS 组和高 NCS 组的远距离立体视与近距离立体视比较,差异均有统计学意义( = 7.127, =.008; = 13.005, <.001)。与训练前比较,低 NCS 组的远距离立体视和近距离立体视患儿例数均明显增加( = 13.471, <.001; = 22.244, <.001)。多因素 Logistic 回归分析显示,发病年龄(比值比 [OR] = 3.768, =.001)、近点集合(OR = 0.347, =.002)和 NCS(OR = 0.142, =.002)是影响小角度间歇性外斜视患儿立体视恢复的危险因素。
结论:控制能力是评估间歇性外斜视严重程度的重要指标之一,控制能力越差,立体视恢复越困难。发病年龄、近点集合和 NCS 是影响远距离立体视恢复的危险因素。
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