Comparison between two autorefractor performances in large scale vision screening in Chinese school age children

查看全文 作　　者：Di [1]Wang;Nan [1]Jin;Ru-Xia [1]Pei;Li-Qiong [1]Zhao;Bei [1]Du;Gui-Hua [1]Liu;Xi-Lian [2]Wang;Rui-Hua [1]Wei;Xiao-Rong [1]Li

机构地区：[1]Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science,Eye Institute and School of Optometry,Tianjin Medical University Eye Hospital,Tianjin 300384,China;[2]Tianjin Beichen District Hospital of Traditional Chinese Medicine,Tianjin 300400,China

出　　处：《International Journal of Ophthalmology(English edition)》索引2020年第13卷第10期,共7页

基　　金：Supported by Tianjin Major Science and Technology Projects(No.17ZXHLSY00070);Tianjin Clinical Key Discipline Project(No.TJLCZDXKQ012)。 摘　　要：AIM:To evaluate the effectiveness of Grand Seiko Ref/Keratometer WAM-5500 compared to Topcon KR800 autorefractor in detecting refractive error in large scale vision screening for Chinese school age children with the WHO criteria.METHODS:A total of 886 participants were enrolled with mean age of 9.49±1.88 y from Tianjin,China.Spherical equivalent(SE)was obtained from un-cycloplegic autorefraction and cycloplegic autorefraction.Topcon KR 800(Topcon)and Grand Seiko WAM-5500(WAM)autorefractors were used.Bland-Altman Plot and regression were generated to compare their performance.The overall effectiveness of detecting early stage refractive error was analyzed with receiver operating characteristic(ROC)curves.RESULTS:The mean SE was-0.98±1.81 diopter(D)and the prevalence of myopia was 48.9%defined by WHO criteria according to the result of cycloplegic autorefraction.The mean SE of un-cycloplegic autorefraction with Topcon and WAM were-1.21±1.65 and-1.20±1.68 D respectively.There was a strong linear agreement between result obtained from WAM and cycloplegic autorefraction with an R2 of 0.8318.Bland-Altman plot indicated a moderate agreement of cylinder values between the two methods.The sensitivity and specificity for detecting hyperopia were 90.52%and 83.51%;for detecting myopia were 95.60%and 90.24%;for detecting astigmatism were 79.40%and 90.21%;for detecting high myopia were 98.16%and 98.91%respectively.CONCLUSION:These findings suggest that both Grand Seiko and Topcon autorefractor can be used in large-scale vision screening for detecting refractive error in Chinese population.Grand Seiko gives relatively better performance in detecting myopia,hyperopia,and high myopia for school age children. 关键词：MYOPIA vision screening autorefraction spherical equivalent Grand Seiko WAM-5500

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Comparison between two autorefractor performances in large scale vision screening in Chinese school age children

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