Changes in anterior segment after short-term scleral lens wear in healthy Chinese population.

IF 4.1 3区 医学 Q1 OPHTHALMOLOGY
Qianni Jiang, Zhe Zhang, Lingling Niu, Bingjie Wang, Daddi Fadel, Ruihua Wei, Zhi Chen
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Abstract

Purpose: To evaluate the impact of short-term scleral lens (SL) wear on anterior chamber (AC) dimension and central corneal thickness (CCT) in healthy Chinese people.

Methods: This is a prospective, daily wear study. Eligible participants were dispensed SLs to correct refractive errors. Anterior segment (AS) parameters were measured by AS optical coherence tomography (AS-OCT) before, during, and after 2 and 4 hours of lens wear. Repeated-measures analysis of variance (ANOVA) was used to analyze the changes in AS parameters over time.

Results: Twelve subjects (10 females and 2 males) with a mean age of 25.3 ± 3.8 years (ranging from 21 to 34 years) were recruited. The AC parameters, including anterior chamber depth (ACD) from the endothelium (endo-ACD), angle opening distance at 500 μm (AOD500), and trabecular-iris space area at 500 μm (TISA500), significantly decreased after wearing SLs for 4 hours (P<0.05). CCT increased by 12 μm (2.29 %) after wearing SLs for 4 hours (P=0.013).

Conclusion: This study suggests that SL wear has a significant impact on AS dimensions in patients with healthy corneas in the short term with SL in situ, but tend to recover quickly after SL removal. Further research is needed to determine whether the change in AS dimensions during SL wear affects aqueous humor (AH) outflow and causes changes in intraocular pressure (IOP).

中国健康人群短期佩戴巩膜透镜后眼前节的变化。
目的:评估健康中国人短期佩戴巩膜透镜(SL)对前房(AC)尺寸和中央角膜厚度(CCT)的影响:这是一项前瞻性日常配戴研究。方法:这是一项前瞻性的每日配戴研究,符合条件的参与者配戴睫状体镜片来矫正屈光不正。在戴镜前、戴镜期间以及戴镜 2 小时和 4 小时后,通过 AS 光学相干断层扫描(AS-OCT)测量前段(AS)参数。采用重复测量方差分析(ANOVA)分析AS参数随时间的变化:共招募了 12 名受试者(10 名女性和 2 名男性),平均年龄为 25.3 ± 3.8 岁(21 至 34 岁不等)。结果:12 名受试者(10 名女性和 2 名男性,平均年龄为 25.3 ± 3.8 岁,从 21 岁到 34 岁不等)在佩戴 SL 4 小时后,AC 参数,包括前房距内皮深度(ACD)(endo-ACD)、500 μm 时的开角距离(AOD500)和 500 μm 时的小梁-虹膜间隙面积(TISA500)显著下降(PConclusion:这项研究表明,在原位佩戴角膜塑形镜的情况下,短期内佩戴角膜塑形镜会对健康角膜患者的AS尺寸产生重大影响,但在摘除角膜塑形镜后会迅速恢复。还需要进一步研究,以确定在佩戴角膜塑形镜期间,角膜塑形镜尺寸的变化是否会影响房水(AH)的流出并导致眼压(IOP)的变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
7.60
自引率
18.80%
发文量
198
审稿时长
55 days
期刊介绍: Contact Lens & Anterior Eye is a research-based journal covering all aspects of contact lens theory and practice, including original articles on invention and innovations, as well as the regular features of: Case Reports; Literary Reviews; Editorials; Instrumentation and Techniques and Dates of Professional Meetings.
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