[1]任中豪,徐丽妍,杨凯丽,等.配戴硬性透气性角膜接触镜对轻中度圆锥角膜患者视觉质量的影响[J].眼科新进展,2020,40(7):634-637.[doi:10.13389/j.cnki.rao.2020.0145]
　REN Zhonghao,XU Liyan,YANG Kaili,et al.Assessment of rigid gas-permeable contact lenses on visual quality in mild and moderate keratoconus[J].Recent Advances in Ophthalmology,2020,40(7):634-637.[doi:10.13389/j.cnki.rao.2020.0145]
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配戴硬性透气性角膜接触镜对轻中度圆锥角膜患者视觉质量的影响/HTML
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
40卷
期数:
2020年7期
页码:
634-637
栏目:
应用研究
出版日期:
2020-07-05

文章信息/Info

Title:
Assessment of rigid gas-permeable contact lenses on visual quality in mild and moderate keratoconus
作者:
任中豪; 徐丽妍; 杨凯丽; 范棋; 任胜卫; 赵东卿
450003　河南省郑州市，河南大学人民医院 河南省人民医院 河南省立眼科医院
Author(s):
REN Zhonghao;  XU Liyan;  YANG Kaili;  FAN Qi;  REN Shengwei;  ZHAO Dongqing
Henan University People’s Hospital, Henan Provincial People’s Hospital, Henan Eye Hospital, Zhengzhou 450003, Henan Province,China
关键词:
圆锥角膜; 视觉质量; 客观散射指数; 调制传递函数截止频率; 对比度视力
Keywords:
keratoconus;  visual quality;  objective scatter index;  modulation transfer function cut off frequency;  contrast vision
分类号:
R778
DOI:
10.13389/j.cnki.rao.2020.0145
文献标志码:
A
摘要:
目的　探讨配戴硬性透气性角膜接触镜(rigid gas-permeable contact lense，RGPCL)对轻中度圆锥角膜患者视觉质量的影响。方法　选取2018年12月至2019年6月在河南省人民医院门诊确诊为轻中度圆锥角膜的患者20例25眼。轻中度圆锥角膜的诊断标准及分期依据全球圆锥角膜专家共识及圆锥角膜评分标准。应用视觉质量分析系统II(OQAS-II)检查患者在配戴RGPCL前及配戴1个月后各视觉质量参数，包括客观散射指数(objective scatter index,OSI)、调制传递函数截止频率(modulation transfer function cut off frequency,MTFcut off)、斯特列尔比(strehl ratio,SR)，三种模拟对比度下视力OV100%、OV20%、OV9%及19.5 s内不瞬目情况下泪膜散射指数(tear film objective scatter index,TF-OSI)。同时分析各视觉质量参数与角膜前表面中央3 mm光学区Ksteep的相关性。结果　配戴RGPCL前与配戴1个月后相比，OSI明显降低，MTFcut off、SR、OV100%、OV20%、OV9%均明显升高，差异均有统计学意义(均为P<0.05)。配戴RGPCL前与配戴1个月后相比，TF-OSI差异无统计学意义(P>0.05)。配戴RGPCL前，OSI及TF-OSI与Ksteep呈正相关，MTFcut off、SR、OV100%、OV20%、OV9%与Ksteep均呈负相关(均为P<0.05)；配戴RGPCL 1个月后，除TF-OSI与Ksteep呈正相关(P<0.05)外，OSI、MTFcut off、SR、OV100%、OV20%、OV9%与Ksteep均无相关性(均为P>0.05)。结论　RGPCL可明显提高轻中度圆锥角膜患者的视觉质量。
Abstract:
Objective　To evaluate the influence of rigid gas-permeable contact lens (RGPCL) on visual quality in patients with mild and moderate keratoconus. Methods　Twenty-five eyes of twenty mild and moderate keratoconus patients were recruited in Henan Provincial People’s Hospital from December 2018 to June 2019. The diagnosis and staging of mild and moderate keratoconus were based on Global Consensus on Keratoconus and Keratoconus Severity Score Ranking Scheme (KSS). The patients were analyzed by optical quality analysis system II (OQAS-II) before and one month after wearing RGPCL respectively, including the value of objective scattering index (OSI), modulation transfer function cut off frequency (MTFcut off), strehl ratio (SR), OQAS values under different contrast(OV100%, OV20% and OV9%), and tear film objective scatter index (TF-OSI) without blinking for 19.5 seconds. Person product moment coefficient was used to evaluate the correlation between the optical quality parameters and Ksteep. Results　The OSI decreased significantly and the MTFcut off, SR, OV100%, OV20% and OV9% increased significantly one month after wearing RGPCL, and there were statistically significant difference compared to the pre-treatment (all P<0.05). The TF-OSI showed no statistical difference one month after wearing RGPCL compared to the pre-treatment (P>0.05). The OSI and TF-OSI were positively correlated with Ksteep, and the MTFcut off, SR, OV100%, OV20% and OV9% were negatively correlated with Ksteep before wearing RGPCL (all P<0.05).The OSI, MTFcut off, SR, OV100%, OV20% and OV9% showed no significant correlation with Ksteep one month after wearing RGPCL (all P<0.05) except the TF-OSI was positively correlated with Ksteep (P>0.05). Conclusion　RGPCL can significantly improve the visual quality in patients with mild and moderate keratoconus.

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备注/Memo

备注/Memo:
河南省基础与前沿技术研究计划项目（编号：162300410235）；河南省自然科学基金项目（编号：182300410362）
更新日期/Last Update: 2020-07-05