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在近视无视视的儿童中,choriocapillaris流动特征
Zhihao Jiang1, Wu Bo2, Zhengfei Yang1
1State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Sun Yat-Sen University, Guangzhou, Guangdong, China.
The British journal of ophthalmology
|March 25, 2024
概括
在近视无视的儿童中,近视较小的眼睛在某些黄斑区域有更多的流空隙. 鼻黄斑流空隙的减少与近视的进展相关,这表明它可能是早期指标.
科学领域:
- 眼科医生 眼科 眼科
- 儿科眼科医生 儿科眼科医生
- 视网膜成像 视网膜成像
背景情况:
- 近视无视度表现为眼睛之间不对称的折射误差.
- 皮细胞 perfusion 对于视网膜健康至关重要,并且可能会受到近视的影响.
- 了解异质的胆道变化对于早期检测和管理至关重要.
研究的目的:
- 为了研究近视无眼症儿童眼睛之间的胆角毛囊 perfusion 和胆角毛囊厚度之间的差异.
- 为了将这些发现与折射误差和轴长相对应.
主要方法:
- 这是一项对46名近视无视视的儿童进行的观察性前性研究.
- 光学连贯断层扫描血管造影 (OCTA) 用于评估choriocapillaris perfusion参数 (流空隙).
- 在中央 (C1) 和环状 (C1-2.5) 黄斑区域分析的OCTA图像,包括子区域 (鼻,,下部,上部).
主要成果:
- 双眼之间的流空百分比或平均面积没有显著差异.
- 信号空隙的总数在C1-2.5,上部和鼻斑区域内的较少近视眼睛中显著增加.
- 球体等效折射和轴长变化与鼻黄斑区域的总流空变化相关.
结论:
- 冠状腺在黄斑区域变薄,鼻黄斑流空隙随着近视幅度的增加而减少.
- 总流量空隙的减少可能意味着近视进展的早期阶段.
- 这些发现突出了监测儿童近视发展的潜在OCTA生物标志物.
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