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目的探讨感知觉学习对间歇性外斜视术后立体视的影响。方法 93例间歇性外斜视手术患者,随机分为两组:实验组40例,术后行感知觉学习;对照组53例,术后未行任何训练。随访3个月,比较两组手术前后立体视功能变化。结果两组术前近立体视和远立体视比例相近(P>0.05)。术后两组近立体视比例均高于术前(P<0.05),且实验组中黄斑中心凹视锐度比例和远立体视比例亦高于对照组(P<0.05)。结论术后感知觉学习有利于促进斜视矫正手术患者术后间歇性外斜视立体视的恢复。
Objective To explore the effect of sensory perception on stereopsis after intermittent exotropia. Methods A total of 93 patients with intermittent exotropia were randomly divided into two groups: experimental group (40 cases) and postoperative sensory learning (53 cases). No control group received any training. The patients were followed up for 3 months. The changes of stereopsis before and after operation were compared between the two groups. Results The proportions of near stereopsis and far stereopsis in both groups were similar (P> 0.05). The ratio of near stereopsis in both groups was higher than preoperative (P <0.05), and the ratio of macular fovea imaging sharpness and distance stereopsis in the experimental group was also higher than that of the control group (P <0.05). Conclusions Postoperative sensory learning is helpful to promote the recovery of intermittent exotropia after stereotactic surgery.