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Temporal and spatial characterization of myopia in China
Xiujing Shi1,2,3, Zhaorong Gao1,2,3, Lin Leng1,2,3
1Qingdao Eye Hospital of Shandong First Medical University, Eye Institute of Shandong First Medical University, Qingdao, China.
Frontiers in Public Health
|September 2, 2022
Summary
Myopia prevalence in Chinese students aged 7-18 increased from 1995-2014, showing spatial aggregation. High-risk areas are shifting southeast, necessitating targeted myopia prevention and control strategies.
Area of Science:
- Ophthalmology
- Public Health
- Spatial Epidemiology
Background:
- Myopia, or nearsightedness, is a growing public health concern globally.
- Understanding the spatial and temporal distribution of myopia is crucial for effective intervention strategies.
Purpose of the Study:
- To characterize the temporal and spatial distribution of myopia among students aged 7-18 years in China.
- To analyze myopia aggregation areas and inform prevention and control efforts.
Main Methods:
- Spatial analysis using ArcGIS 10.0 and SaTScan 9.5 software.
- Analysis of myopia prevalence data from 1995-2014.
- Spatial autocorrelation and time-space scan analysis were performed.
Main Results:
- Myopia prevalence in Chinese students increased from 35.9% in 1995 to 57.1% in 2014.
- Spatial aggregation of myopia was observed, with high-high aggregation areas in Shandong, Jiangsu, Anhui, and Shanghai.
- Myopia aggregation areas shifted from northwest/north/northeast regions to southeast regions between 1995 and 2014.
Conclusions:
- Myopia prevalence significantly increased among Chinese students from 1995 to 2014.
- Spatial aggregation of myopia exists and is shifting towards southeastern China.
- Targeted prevention and control measures are necessary in identified high-risk areas.
