Spot双目视力筛查仪和自动电脑验光仪在近视筛查中结果的比较

doi:10.3760/cma.j.cn115909-20191024-00288

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摘要目的：比较Spot双目视力筛查仪和自动电脑验光仪在近视筛查中结果的差异、相关性和一致性。方法：横断面研究。采用分层随机方法抽取徐州某学校6～19岁的学生共500人，分别用Spot双目视力筛查仪（VS100，美国伟伦公司）和自动电脑验光仪（KR800，日本拓普康公司）进行验光检查。记录睫状肌麻痹（1%复方托吡卡胺眼药水）前后2种设备的验光数据。采用配对t检验来比较2种仪器所测得的SE值差异，用组内相关检验来比较检测结果的相关性。采用Bland-Altman一致性检验来分析比较结果的一致性。结果：最终纳入498名学生。2种设备在不同程度的近视组中所测得的SE值差异均有统计学意义（P<0.001）。Spot在近视学生中所得的SE值均较自动验光仪偏正（P<0.001）。2种验光设备在睫状肌麻痹前后的SE值均呈高度相关（均r>0.8，P<0.001）。2种设备检查SE结果差值 90% 的位点位于95%置信区间参考范围内，2种设备检查结果一致性良好。结论：无论是否行睫状肌麻痹，Spot在近视筛查中均有较好的可靠性。

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关键词 ： , 近视, Spot筛查仪, 自动电脑验光仪, 等效球镜度, 视力筛查

Abstract： Objective: To assess the difference, agreement and relevance for the results of the Spot photoscreener (Welch Allyn, VS100) and auto refractometer (Topcon, KR8800) in detecting myopia in students from a school in Xuzhou, China. Methods: In this cross-sectional study, 500 randomly selected students (500 right eyes) aged from 6 to 19 from a school in Xuzhou were measured in turns by the two autorefractors to obtain their refractive status. 1% tropicamide was used as the cycloplegic refraction drug in 498 students. The spherical equivalences (SE) measured by the two autorefractors were compared by a paired t test. Agreement of spherical equivalents from the two devices was assessed by Bland-Altman plots. Spearman correlation analysis was also used to compare the measurements from the two devices. Results: At last, 498 students included. The difference in SE between the two methods was statistically significant (P<0.001). The SE of the Spot appeared more positive compared to the results of the auto refractometer in myopic students (P<0.001). The SE before and after ciliary muscle paralysis was all highly correlated between the two devices (r>0.8, P<0.001). Bland-Altman plots showed a good agreement between the results of the two devices. Conclusions: The Spot photoscreener can give reliable results with or without cycloplegia.

Key words： myopia Spot photoscreener autorefractometer spherical equivalent vision screening

收稿日期: 2019-10-24

PACS:

基金资助: 徐州市科技局课题（KC19203）

通讯作者: 王小娟（ORCID：0000-0002-2834-8258），Email：wangxiaojuan197409@163.com

引用本文:

李影廖娅刘一如张文轩王小娟. Spot双目视力筛查仪和自动电脑验光仪在近视筛查中结果的比较[J]. 中华眼视光学与视觉科学杂志, 2021, 23(1): 54-58. Ying Li, Ya Liao, Yiru Liu, Wenxuan Zhang, Xiaojuan Wang. Comparison of the Results between the Spot Photoscreener and Auto Refractometer in the Screen of Myopia. Chinese Journal of Optometry Ophthalmology and Visual science, 2021, 23(1): 54-58. DOI: 10.3760/cma.j.cn115909-20191024-00288

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https://www.cjoovs.com/CN/10.3760/cma.j.cn115909-20191024-00288 或 https://www.cjoovs.com/CN/Y2021/V23/I1/54

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