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| 环曲面和球形角膜塑形镜在散光患者中的疗效分析 |
| Effect analysis of toric and spherical orthokeratology in patients with astigmatism |
| 投稿时间：2021-08-01 |
| DOI：10.3969/j.issn.1000-0399.2022.04.003 |
| 中文关键词: 角膜塑形镜 镜片偏心度 角膜散光 |
| 英文关键词: Orthokeratology Lens decentration Corneal astigmatism |
| 基金项目:安徽省卫生健康委科研基金项目（项目编号:AHWJ2021b107） |
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| 中文摘要: |
| 目的 比较环曲面和球形角膜塑形镜在中高度散光患者治疗中的疗效。方法 回顾性分析2019年6月至2020年9月安徽省第二人民医院眼科佩戴角膜塑形镜片的77名近视合并中、高度散光（≥1.0 D）患者的临床资料。根据受试者选择透镜设计不同分为环曲面组（n=36）和球形组（n=41）。观察两组患者1年内佩镜的治疗效果，评价指标为裸眼视力（UCVA）、镜片偏心度及角膜散光J0、J45。结果 环曲面及球形组UCVA分别从佩戴前的0.80（0.60， 0.10）、0.80（0.55， 0.90）下降到佩戴12个月后的0（0.00， 0.08）、0（0.00， 0.10），两组佩戴前后各时间点比较，差异无统计学意义（P>0.05）。环曲面组及球形组镜片偏心度由戴镜1天的（0.46±0.25）mm、（0.53±0.21）mm增加至戴镜12个月的（0.73±0.41）mm、（1.32±0.12）mm，角膜散光J0分别由基线时的（-0.59±0.73）D、（-0.78±0.41）D下降到佩戴12个月的（-0.13±0.68）D、（-0.69±1.19）D，两组患者佩戴1个月后偏心度和角膜散光J0比较，差异均有统计学意义（P<0.05），佩戴后相同时间点比较，球形组偏心度和角膜散光J0均比环曲面组高，差异有统计学意义（P<0.05）。两组佩戴前后角膜散光J45比较，差异无统计学意义（P>0.05）。结论 环曲面角膜塑形镜片设计能有效降低中高度角膜散光患者的镜片偏心度和角膜散光J0。 |
| 英文摘要: |
| Objective To compare the efficacy of toric and spherical orthokeratology in the treatment of patients with medium and high astigmatism. Methods The clinical data of 77 myopia patients with medium and high astigmatism (≥ 1.0 d) wearing Orthokeratology in the Department of Ophthalmology of Anhui No.2 Provincial People's Hospital from June 2019 to September 2020 were analyzed retrospectively. According to the lens design selected by the subjects, they were divided into toric group (n=36) and spherical group (n=41).The therapeutic effect of wearing glasses in the two groups within one year was observed, and the evaluation indexes were uncorrected visual acuity (UCVA),lens decentration and corneal astigmatism J0, J45. Results The UCVA of toric and spherical group decreased from 0.80(0.60, 0.10) and 0.80(0.55, 0.90) before wearing to 0(0, 0.08) and 0(0, 0.10) after 12 months,and there was no significant difference between the two groups before and after wearing (P>0.05).The lens decentration of the toric and spherical group increased from (0.46±0.25)mm and (0.53±0.21)mm for 1 day to (0.73±0.41)mm and (1.32±0.12)mm for 12 months. The corneal astigmatism J0 decreased from (-0.59±0.73) D and (-0.78±0.41) D at baseline to (-0.13±0.68)D and (-0.69±1.19) D for 12 months.There were statistically significant differences in the lens decentration and corneal astigmatism J0 between the two groups 1 month after wearing(P<0.05). At the same time point after wearing, the lens decentration and corneal astigmatism J0 in the spherical group were higher than those in the toric group (P<0.05). There was no statistically significant difference between the two groups in corneal astigmatism J45 before and after wearing(P>0.05). Conclusion The toric orthokeratology design can effectively reduce lens decentration and corneal astigmatism J0 in patients with medium and high corneal astigmatism. |
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