June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Prevalence of myopia in Chinese urban and rural children
Author Affiliations & Notes
  • Mingzhi Zhang
    Ophthalmology, Joint Shantou International Eye Center, Shantou, China
  • Footnotes
    Commercial Relationships Mingzhi Zhang, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 5713. doi:
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      Mingzhi Zhang; Prevalence of myopia in Chinese urban and rural children. Invest. Ophthalmol. Vis. Sci. 2013;54(15):5713.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract
 
Purpose
 

To investigate the prevalence of myopia in Chinese urban and rural children.

 
Methods
 

A cross-section survey was performed on 7537 children from 5 primary schools, 2 middle schools and 2 high schools. The refractive status was examined with mydriasis. The criteria of myopia was defined as spherical equivalent <=0.75D. The prevalence of myopia in different grades was analyzed.

 
Results
 

The response rate was 99.03%. The male to female ratio was 52.6% vs. 47.4%. The age ranged from 6 to 19 years old. The prevalence of myopia was 5.8% in Grade 1 and increased to 71.9% in Grade 12 (Figure 1). The prevalence of myopia was higher in urban compared to rural children, especially in high school (Figure 1).

 
Conclusions
 

The prevalence of myopia increase with grade in Chinese urban and rural children. It is more prevalent in urban compared to rural children.

  
Keywords: 605 myopia  
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