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Comparison Between the Deviations After 1 and 24 Hours of Diagnostic Occlusion for Basic and Divergence Excess Types of Intermittent Exotropia.
Journal of Pediatric Ophthalmology and Strabismus ( IF 1.0 ) Pub Date : 2021-08-26 , DOI: 10.3928/01913913-20210610-02
Kanwar Mohan , Suresh Kumar Sharma

PURPOSE To compare the clinically significant (5 prism diopters [PD] or greater) changes in deviations after 1 and 24 hours of diagnostic monocular occlusion specifically for basic and divergence excess types of intermittent exotropia. METHODS In this prospective study, diagnostic monocular occlusion was performed at 1 and 24 hours before surgery in patients with intermittent exotropia. A change of 5 PD or greater in near and distance deviation after occlusion was considered clinically significant and used as the cut-off point for analysis. The mean clinically significant changes between the deviations after 1 and 24 hours of occlusion in patients with basic and divergence excess types of intermittent exotropia were compared. RESULTS A total of 21 patients with basic type and 20 patients with divergence excess type intermittent exotropia were included. No statistically significant differences were found for the mean near and distance deviations, the number of patients who had a clinically significant (5 PD or greater) increase, or the magnitude of increase in near and distance deviations after 1 hour versus 24 hours of diagnostic occlusion in patients with both types of intermittent exotropia. CONCLUSIONS Diagnostic monocular occlusion for 1 hour is sufficient in patients with basic and divergence excess types of intermittent exotropia. [J Pediatr Ophthalmol Strabismus. 2022;59(1):41-45.].

中文翻译:

间歇性外斜视基本型和发散过度型诊断闭塞 1 小时和 24 小时后偏差的比较。

目的 比较诊断性单眼闭塞 1 小时和 24 小时后偏差的临床显着(5 棱镜屈光度 [PD] 或更大)变化,特别是对于基本和发散过度类型的间歇性外斜视。方法 在这项前瞻性研究中,对间歇性外斜视患者在手术前 1 小时和 24 小时进行诊断性单眼闭塞。闭塞后近距和远距偏差变化 5 PD 或更大被认为具有临床意义,并用作分析的截止点。比较了间歇性外斜视的基本型和发散过度型患者在闭塞 1 小时和 24 小时后偏差之间的平均临床显着变化。结果共纳入基本型21例,发散过度型间歇性外斜视20例。对于平均近距离和距离偏差、临床显着(5 PD 或更大)增加的患者数量或 1 小时与 24 小时诊断闭塞后近距离和距离偏差增加的幅度,没有发现统计学上的显着差异两种类型的间歇性外斜视患者。结论 1 小时诊断单眼闭塞足以满足基本型和发散过度型间歇性外斜视的患者。[J 小儿眼科斜视。2022;59(1):41-45.]。两种类型的间歇性外斜视患者在诊断闭塞后 1 小时与 24 小时后出现临床显着(5 PD 或更大)增加的患者数量,或近距和远距偏差的增加幅度。结论 1 小时诊断单眼闭塞足以满足基本型和发散过度型间歇性外斜视的患者。[J 小儿眼科斜视。2022;59(1):41-45.]。两种类型的间歇性外斜视患者在诊断闭塞后 1 小时与 24 小时后出现临床显着(5 PD 或更大)增加的患者数量,或近距和远距偏差的增加幅度。结论 1 小时诊断单眼闭塞足以满足基本型和发散过度型间歇性外斜视的患者。[J 小儿眼科斜视。2022;59(1):41-45.]。
更新日期:2021-08-01
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