Cambodia (2007)

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Cambodia, 2007
Principal Investigator
Do Seiha
Trainer
Hans Limburg
Sample size
 6000
Response rate
 98.4%
RAAB version
 RAAB5
Diabetic retinopathy
 No
Disability module
 No

Vision impairment

Prevalence (age-sex adjusted)

Female
Male
Total
Extrapolated magnitude
%
95% CI
Extrapolated magnitude
%
95% CI
Extrapolated magnitude
%
95% CI
Blind
36 991
3.9
3.2 - 4.6
14 589
2.4
1.7 - 3.1
51 580
3.3
2.7 - 3.9
Severe
39 413
4.2
3.4 - 4.9
18 319
3.0
2.2 - 3.8
57 732
3.7
3.1 - 4.3
Moderate
143 956
15.2
13.8 - 16.5
73 275
12.0
10.4 - 13.7
217 231
13.9
12.8 - 15.0

Cataract

Operable cataract prevalence (age-sex adjusted)

Female
Male
Total
Extrapolated magnitude
%
95% CI
Extrapolated magnitude
%
95% CI
Extrapolated magnitude
%
95% CI
<3/60
21 983
2.3
1.8 - 2.9
5 968
1.0
0.5 - 1.5
27 951
1.8
1.3 - 2.2
<6/60
37 022
3.9
3.2 - 4.6
8 501
1.4
0.8 - 2.0
45 522
2.9
2.4 - 3.5
<6/18
98 434
10.4
9.1 - 11.6
33 369
5.5
4.3 - 6.7
131 803
8.5
7.5 - 9.4

Cataract surgical coverage (CSC) (age-sex adjusted)

Female
Male
Total
%
95% CI
%
95% CI
%
95% CI
CSC<3/60
-
47.3
38.8 - 55.8
-
60.6
47.3 - 47.3
-
50.9
39.3 - 55.4
CSC<6/60
-
35.5
28.7 - 42.3
-
53.8
41.2 - 66.4
-
40.0
28.9 - 42.2
CSC<6/18
-
19.6
15.6 - 23.6
-
24.7
17.9 - 31.6
-
21.0
15.8 - 23.4

Effective cataract surgical coverage (eCSC) (age-sex adjusted)

The RAAB research team did a formal analysis of eCSC with the World Health Organization and the Vision Loss Expert Group in late 2022. eCSC results will be available on the repository in 2023.

Notes

Vision impairment categories defined according to WHO thresholds using presenting visual acuity in the better eye.

All prevalence and coverage estimates are adjusted to the age and gender distribution of the population 50 years and older in the survey area.

All 95% confidence intervals adjusted to account for the cluster design of the survey.