Table 3

Comparison on prevalence of late age-related macular degeneration in Chinese population

LocationShipai Eye StudyBeijing Eye StudyMESAHandan Eye StudySEEDPuzih Eye StudyJiangning Eye StudyCHESYangxi Eye Study
Year examined1999–200020012002–20042006–20072009–20112010–20122012–20132010–20132014
SettingUrbanUrban and ruralUrbanRuralUrbanUrbanUrbanUrbanRural
Age range (years)≥65≥4045–85≥30≥40≥65≥50≥50≥50
Photography35°, NS, F45°, NS, F45°, NS, D45°, NS, D45°, NS, D45 and 30°,
45°, NS, DS, D45°, NS, D
Grading systemWWWWWWWWBeckman
Late AMD*
 Total (%)1.90/3.020.20/0.301.00/0.730.10/0.150.80/1.017.30/6.781.10/1.010.30/0.430.86/0.79
 Men (%)2.40/3.26NA1.40/0.970.10/0.20NA6.00/5.391.80/1.390.70/0.681.17/0.95
 Women (%)1.00/2.20NA0.60/0.450.03/0.08NA8.80/8.530.60/0.590.20/0.200.56/0.51
  • *Crude/age-standardised prevalence (≥50 years).

  • Beckman, Clinical Classification of Age-Related Macular Degeneration by Beckman Initiative for Macular Research Classification Committee.

  • AMD, age-related macular degeneration; CHES, Chinese American Eye Study; D, digital; F, 35 mm film; MESA, Multi-Ethnic Study of Atherosclerosis; NA, not available; NS, non-stereo; S, stereo; SEED, Singapore Epidemiology of Eye Diseases Study; W, Wisconsin Age-Related Maculopathy Grading System or its modified system.