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目的 :为探讨周期性内斜视的出现规律、斜视角的改变以及有关病因。方法 :门诊患儿作睫状肌麻痹下放瞳检影、矫正屈光、眼底及注视性质检查、三梭镜斜视测定 ,转为恒定性内斜 6个月以后行手术矫正眼位。结果 :4例 48h为一周期 ,2例 72h为一周期 ,1例周期不规则、斜视角不稳定且与情绪有关 ,6例 6～ 18个月转为恒定性内斜视。患儿在斜视日无双眼视觉功能 ,正位眼日有较好的三级功能 ,最好融合范围 - 4～ + 18=2 2°。本组病例在转变为恒定性内斜 6～ 12个月后手术治疗效果满意。结论 :每个病程的长短与视力、屈光、环境、精神及心理因素有关。治疗原则以手术矫正为主。
Objective: To investigate the appearance of periodic esotropia, changes in strabismus angle and related causes. METHODS: Outpatients were examined by ciliary muscle paralysis with pupil retinoscopy, corrected refractive, ocular fundus and gaze properties. Three-shuttle strabismus was measured. After 6 months of constant esotropia, eyes were corrected with surgery. Results: Four cases of 48h were one cycle, two cases of one cycle of 72h, one case of irregular cycle, instability of strabismus and emotional related, 6 cases of 6-18 months to constant esotropia. Children with no binocular vision in strabismus visual function, orthostatic eyes have a better tertiary function, the best fusion range - 4 ~ + 18 = 2 2 °. In this group of patients converted to constant within 6 to 12 months after the surgical treatment of satisfactory results. Conclusion: The length of each course of disease is related to visual acuity, refractive, environmental, mental and psychological factors. The main treatment of surgical correction.