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Table 6 Prevalence of blindness and its causes reported from population based studies in china

From: Causes and 3-year-incidence of blindness in Jing-An District, Shanghai, China 2001-2009

Country Age(yrs) Prevalence Main causes
Beijing, China
(Xu L et al.2006)
> = 40 0.3% Cataract(38.5%); Cornea opacity (15.4%);Myopic macular degeneration(7.7%); Glaucoma(7.7%)
Handan china
(Liang YB et al. 2008)
> = 30 0.5% Cataract (36.6%);Myopic macular degeneration (19.5%)
Glaucoma(7.3%);Cornea opacity(7.3%)
Taiwan, China
(Hsu WM, et al. 2004)
> = 65 0.59% Cataract (41.7%);Myopic macular degeneration (12.5%)
AMD(10.4%)
Hongkong, China
(Michon JJ, et al. 2002)
> = 60 1.8% Cataract (51.7%);Macular degeneration (27.1%)
Glaucoma(7.1%)
Hebei, China
(Song XJ.1992)
  0.19%
in urban areas
Cataract(32.3%);trachoma complications(13.4%)
corneal disease(13.06%);glaucoma(9.97%)
Shanxi, China
(Zhang JX.1990)
  0.18%
in cities
Cataract (29.7%)
Shangdong, china
(Yu XM.1992)
  0.34% Cataract, corneal diseases and glaucoma in urban areas
China
(Zhang SY.1992)
  0.43% Cataract(41.06%);Corneal disease(15,38%)
Trachoma (10.4%);Glaucoma (8.8%)
Chongqing, china
(Liu S, et al. 2007)
>50 1.8% Cataract (17.9%);Retinal diseases (20.7%); refraction error(15.4%);
cornea disease (11.6%); glaucoma (13.4%)
Shanghai
(Huang XB, et al. 2009)
  0.95%
in 60-79 yrs
0.68%
in 70-79 yrs
0.40%yrs
in 80 yrs or older
Macular degeneration(28.57%);Cataract(27.27%); Corneal opacity (6.49%);
Retinal detachment (5.84%); Optical nerve atrophy (5.19%); Retinitis pigmentosa (5.19%)
Henan
(Li Y et al.2009)
  0.09%
in urban
no noted
Hubei
(Chen W et al. 2009)
  0.33%
in urban
Cataract (54.55%);Glaucoma(10.22%); Congenital abnormal (8.41%);Corneal disease(7.48%); Retinal and choroidal disease (6.54%)