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Table 1 Prevalence of Myopia and High Myopia in Chinese over 60 years old

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

   Myopia (SE < −0.5D) Myopia (SE < −0.75D) Myopia (SE < −1.0D) Myopia (SE < −5.0D) Myopia (SE < −6.0D)
N (%) n(%, 95% CI) n(%, 95% CI) n(%, 95% CI) n(%, 95% CI) n(%, 95% CI)
Total 4795 1010 827 683 121 97
 Crude rate 21.1, 19.9-22.2 17.2, 16.2-18.3 14.2, 13.3-15.2 2.5, 2.1-2.9 2.0, 1.6-2.4
 Age-standard ratea 23.5, 22.3-24.7 19.7, 18.6-20.8 16.5, 15.4-17.5 2.7, 2.2-3.1 2.1, 1.7-2.5
Gender
 Male 2331 414 336 282 46 36
48.6 17.8, 16.2-19.3 14.4, 13.0-15.8 12.1, 11.8-13.4 2.0, 1.4-2.5 1.5, 1.0-2.0
 Female 2464 596 491 401 75 61
51.4 24.2, 22.5-25.9 19.9, 18.4-21.5 16.3, 14.8-17.7 3.0, 2.4-3.7 2.5, 1.9-3.1
Age group,y
 60-64 1950 308 228 179 37 32
40.7 15.8, 14.2-17.4 11.7, 10.3-13.1 9.2, 7.9-10.5 1.9, 1.3-2.5 1.6, 1.1-2.2
 65-69 1364 230 118 144 31 28
28.4 16.7, 14.9-18.9 13.8, 12.0-15.6 10.6, 8.9-12.2 2.3, 1.5-3.1 2.1, 1.3-2.8
 70-74 698 159 136 120 25 17
14.6 22.8, 19.7-25.9 19.5, 16.5-22.4 17.2, 14.4-20.0 3.6, 2.2-5.0 2.4, 1.3-3.6
 75-79 493 187 159 139 18 16
10.3 37.9, 33.6-42.2 32.3, 18.1-36.4 28.2, 24.2-32.2 3.5, 2.0-5.3 3.2, 1.7-4.8
 80 and older 290 126 116 101 10 4
6.0 43.5, 37.7-49.2 40.0, 34.3-45.7 34.8, 29.3-40.3 3.4, 1.3-5.6 1.4, 0.0-2.7
  1. SE spherical eqivalent, D diopter, CI confidence interval
  2. aAge-standardized to the 2010 population census of the People’s Republic of China