双曲面拉远镜对近视前儿童眼轴变化影响的研究

阮薏蒙; 姚东伟; 李波

doi:10.16766/j.cnki.issn.1674-4152.003586

双曲面拉远镜对近视前儿童眼轴变化影响的研究

doi: 10.16766/j.cnki.issn.1674-4152.003586

宁波大学附属第一医院眼科，浙江宁波 315010

基金项目:

浙江省中医药科技计划项目 2024ZL891

详细信息

通讯作者:
姚东伟, E-mail: yaodongwei@163.com

中图分类号: R778.11
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- 文章访问数: 301
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- 被引次数: 0
出版历程
- 收稿日期: 2024-03-20
- 网络出版日期: 2024-09-05

Clinical research on the influence of the double hyperboloid mirror system on the ocular axis of children with pre-myopia

Department of Ophthalmology, the First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang 315010, China

摘要

摘要: 目的探讨双曲面拉远镜对近视前儿童眼轴变化的影响，旨在评估其在儿童近视防控中的应用价值，并为更有效地对儿童用眼行为进行干预提供依据。方法选取2021年4月—2022年3月宁波市一小学6~10周岁的近视前儿童120例(240眼)，使用随机数字表法分为观察组60例(120眼)和对照组60例(120眼)，观察组使用双曲面拉远镜，对照组未使用拉远镜。随访观察1年，记录2组裸眼视力和最佳矫正视力(BCVA)、屈光度、眼轴长度、远近眼位等指标。分析2组基线与6个月、12个月后的等效球镜度及眼轴长度变化量，采用Pearson相关性及线性回归分析双曲面拉远镜使用时长和眼轴长度变化量的关联。结果 2组双眼等效球镜度变化量、眼轴变化量比较差异有统计学意义。12个月后观察组双眼等效球镜度变化量低于对照组(P＜0.001)，观察组双眼眼轴长度变化量低于对照组，差异均有统计学意义(P＜0.001), 观察组左眼眼轴长度变化量较对照组低0.18 mm，右眼低0.21 mm，左眼眼轴长度进展减少了43.9%，右眼减少了48.8%。观察组远近眼位、BCVA 12个月前后自身比较，差异无统计学意义(P>0.01)。Pearson相关性分析和线性回归分析显示，观察组双曲面拉远镜平均使用时长与眼轴增长量呈负相关关系(P < 0.001)。结论双曲面拉远镜对减少近视前儿童眼轴的增长有积极影响，并且使用时间越久，眼轴长度变化量越少。这种视觉辅助仪器能在用眼行为的层面为儿童近视防控提供有效的帮助。
- 双曲面拉远镜 /
- 近视前 /
- 近视防控 /
- 眼轴
Abstract: Objective To observe the clinical effect of a double hyperboloid mirror system for extending the viewing distance on the axial growth of pre-myopic eyes in Chinese youth, in order to evaluate its application value in preventing and controlling myopia in children, and provide evidence for more effective eye behavior intervention in children ' s health. Methods A total of 120 cases (240 eyes) aged 6-10 years old in a primary school in Ningbo, participated in the study from April 2021 to March 2022. Sixty cases (120 eyes) in the observation group used the double hyperboloid mirror system for near vision work, while another 60 cases (120 eyes) did not use the double hyperboloid mirror system for near vision work in the control group. Follow-up observation were conducted for 1 year, and uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), spherical equivalent (SE), axial length (AL) and distance and near horizontal eye position were recorded at baseline, 6 months, and 12 months. The changes in SE and AL of students in the two groups at baseline, 6 months, and 12 months were analyzed. Pearson correlation test and linear regression were used to analyze the relationship between the usage duration of the double hyperboloid mirror system and axial length growth. Results There were significant differences between the two groups in the changes of SE and AL. After 12 months, the change of SE in the observation group was significantly lower than that in the control group (P < 0.001). Additionally, both eyes in the observation group showed a significantly lower change in AL compared to the control group (P < 0.001). Compared with the control group, the change of AL in the observation group was 0.18 mm lower in the left eye and 0.21 mm lower in the right eye, and the progression of AL was reduced by 43.9% in the left eye and 48.8% in the right eye. There was no significant difference of distance and near horizontal eye position and BCVA in the observation group before and after 12 months (P>0.01). The Pearson correlation test and linear regression analysis revealed a significant negative correlation between the usage duration of the double hyperboloid mirror system and axial length growth (P < 0.001). Conclusion The use of the double hyperboloid mirror system can effectively control axial length growth in pre-myopic primary school children, and the longer they used the double hyperboloid mirror system, the lower of the axial length growth. This type of visual aid instrument provides a certain effective basis for behavior intervention related to the prevention and control of myopia in children.
- Double hyperboloid mirror system /
- Pre-myopia /
- Myopia prevention and control /
- Eye axis length

HTML全文

图 1 双曲面拉远镜使用及成像原理模拟图

Figure 1. Usage and imaging principles of the double hyperboloid mirror system

下载: 全尺寸图片幻灯片

图 2 2组学生平均眼轴长度变化量处理效应

Figure 2. Treatment effect of changes in mean axial length in two groups of students

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表 1 2组学生临床基线资料比较

Table 1. Univariate analysis of baseline data between two groups (x±s)

组别	例数	年龄(x±s，岁)	性别(例)		裸眼视力(x±s)		等效球镜度(x±s，D)		眼轴长度(x±s，mm)
组别	例数	年龄(x±s，岁)	男	女	左眼	右眼	左眼	右眼	左眼	右眼
对照组	60	7.07±0.84	30	30	0.97±0.16	0.95±0.16	-0.05±0.49	0.01±0.47	23.53±0.82	23.48±0.84
观察组	60	7.00±0.80	30	30	0.95±0.15	0.98±0.13	0.09±0.48	0.01±0.53	23.49±0.54	23.51±0.58
统计量		0.444^a		< 0.001^b	0.381^a	1.021^a	1.583^a	0.025^a	0.316^a	0.219^a
P值		0.658	0.999		0.704	0.309	0.116	0.980	0.753	0.827
注：^a为t值，^b为χ²值。

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表 2 2组学生不同时间等效球镜度变化量和眼轴长度变化量比较(x±s)

Table 2. Comparison of changes in spherical equivalent and axial length growth between two groups at different time points (x±s)

组别	例数		等效球镜度变化量(D)		眼轴长度变化量(mm)
组别	例数		6个月	12个月	6个月	12个月
对照组	60	左眼	-0.48±0.45	-0.78±0.61	0.18±0.12	0.41±0.20
		右眼	-0.49±0.41	-0.80±0.57	0.20±0.12	0.43±0.20
观察组	60	左眼	-0.14±0.34	-0.29±0.37	0.09±0.12	0.23±0.20
		右眼	-0.05±0.29	-0.30±0.35	0.08±0.12	0.22±0.20
t值		左眼	-4.670	-5.321	4.278	4.874
		右眼	-6.828	-5.772	5.283	5.820
P值		左眼	＜0.001	＜0.001	＜0.001	＜0.001
		右眼	＜0.001	＜0.001	＜0.001	＜0.001

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