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Table 2 Different Prevalence of Myopia in Partial Population-Based Studies for Chinese Race in Elderly Population

From: Prevalence and risk factors for myopia in older adult east Chinese population

Study Age groups, (%)
60-69 70-79 80 + all
Myopia (SE < −0.5D)
 Suzhou(Our study) 16.2 29.1 43.5 21.1
 Guangzhou [27] 31.1 31.3 46.7 32.6
 Handan [21] 14.4 34.3 42.9 21.4
 Beijing [20] NAa NA NA 21.8
 Harbin [22] 11.3 12.8 9.5
 Taiwan [26] 12.8 21.6 23.3 18.3
 Singaporean Chinese [29] 30 27 35.0
 Hon Kong [28] NA NA NA 41.1
High Myopia (SE < −5.0D)
 Suzhou(Our study) 2.1 3.6 3.4 2.5
 Guangzhou [27] 6.6 3.4 1.3 4.7
 Handan [21] 2.4 4.5 6.1 3.1
 Beijing [20] NA NA NA 3.3
 Harbin [22] NA NA NA 1.4
 Taiwan [26]b 1.9 2.6 1.4 2.3
 Singaporean Chinese [29] NA NA NA 8.2
 Hon Kong [28] 6.6 4.4 6.9
  1. aNA: Data was not available
  2. bHigh myopia was defined as SE < −6.0D