基弧区非球面设计角膜塑形镜对客观视觉质量的影响

doi:10.3760/cma.j.cn115909-20210204-00044

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摘要目的：观察基弧区非球面设计角膜塑形镜对客观视觉质量的影响。方法：前瞻性临床研究。选择 2019年8月至2020年3月在沈阳爱尔眼视光医院验配角膜塑形镜的近视患者60例（60眼），根据患者所选择的角膜塑形镜基弧区设计不同进行分组，非球面组30例（30眼）配戴基弧区非球面设计的角膜塑形镜；球面组30例（30眼）配戴基弧区球面设计的角膜塑形镜。在戴镜前和戴镜后6个月测量 2组患者在5 mm瞳孔直径下的全眼和角膜的高阶像差（HOA）、球差（SA）、彗差、三叶草差和调制传递函数（MTF）、斯特列尔比值（SR）等。取左眼数据用于统计分析。组内戴镜前后波前像差及MTF、 SR比较采用配对t检验进行分析，组间各项参数比较采用独立样本t检验和Mann-Whitney U检验。结果：与戴镜前相比，2组患者配戴角膜塑形镜后全眼和角膜的HOA、SA、彗差均增加，SR、MTF均下降，差异均有统计学意义（均P<0.001）。球面组、非球面组戴镜后角膜的三叶草差均较戴镜前增加，差异有统计学意义（t=-3.69，P=0.001；t=-3.41，P=0.002）。组间全眼HOA、SA、彗差增加量比较差异具有统计学意义（t=4.36，P<0.001；t=2.13，P=0.038；t=4.51，P<0.001），组间角膜HOA、彗差增加量比较差异有统计学意义（t=2.84，P=0.006；t=2.69，P=0.009）；组间其余像差和SR、MTF改变量差异均无统计学意义。结论：角膜塑形镜基弧区的不同设计影响患者的客观视觉质量。相比于基弧区球面设计角膜塑形镜，患者配戴非球面设计角膜塑形镜后客观视觉质量更好。

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关键词 ： , 近视, 角膜塑形镜, 基弧区非球面设计, 客观视觉质量

Abstract： Objective: To analyze the influence of base curve aspheric orthokeratology on objective optical quality. Methods: This was a prospective study. Sixty patients (60 eyes) were recruited in Shenyang Aier Optometry Eye Hospital from August 2018 to March 2019. Patients were divided into two groups. The aspheric group (30 eyes) were treated with base curve aspheric orthokeratology and the spheric group (30 eyes) were treated with base curve spheric orthokeratology. Ocular and corneal higher-order aberrations (HOA), spherical aberrations (SA), coma, trefoil and modulation transfer function (MTF), and the Strehl ratio (SR) within a 5 mm pupil diameter were measured before and 6 months after orthokeratology. Only the left eye data were selected for analysis. Data were analyzed with paired t tests, an independent samples t test and Mann-Whitney U test. Results: At 6 months after wearing the lenses, the root mean squares (RMS) of the ocular HOA, SA, and coma aberrations had increased and MTF and SR had decreased in the two groups compared to before lens wear. The differences in these variables were statistically significant (P<0.001). The RMS of the corneal trefoil in the spheric group and aspheric group also increased compared to before lens wear and the differences were statistically significant (t=-3.69, P=0.001; t=-3.41, P=0.002). The comparison between the two groups showed statistically significant differences in ocular HOA, SA and coma (t=4.36, P<0.001; t=2.13, P=0.038; t=4.51, P<0.001), and corneal HOA and coma (t=2.84, P=0.006; t=2.69, P=0.009). There were no statistically significant differences in the other aberrations and MTF and SR between the two groups. Conclusions: The different designs of orthokeratology base curve lenses impact the patient's objective optical quality. Patients have a better objective optical quality after wearing base curve aspheric orthokeratology lenses compared to base curve spheric orthokeratology lenses.

Key words： myopia orthokeratology base curve aspheric design objective optical quality

收稿日期: 2021-02-04

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通讯作者: 杨积文（ORCID：0000-0002-5206-1994），Email：yangjiwen1975@vip.163.com

引用本文:

付雪梅1 杨积文1，2 姜炳材3. 基弧区非球面设计角膜塑形镜对客观视觉质量的影响[J]. 中华眼视光学与视觉科学杂志, 2021, 23(8): 583-588. Xuemei Fu1,Jiwen Yang1, 2, Bingcai Jiang3. Influence of Base Curve Aspheric Orthokeratology on Objective Visual Quality. Chinese Journal of Optometry Ophthalmology and Visual science, 2021, 23(8): 583-588. DOI: 10.3760/cma.j.cn115909-20210204-00044

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https://www.cjoovs.com/CN/10.3760/cma.j.cn115909-20210204-00044 或 https://www.cjoovs.com/CN/Y2021/V23/I8/583

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