Vision Improvement with Refractive Correction Does Not Completely Exclude Major Eye Diseases: Analyses of Visually Impaired South Korean Population in the Korea National Health and Nutrition Examination Survey 2009–2011
Table 5
Prevalence of ocular comorbidities, according to visual improvement after correction.
Group 1 ()
Group 2 ()
Group 3 ()
value
N
%
SE
N
%
SE
N
%
SE
12
13
23
Myopia
221
44.26%
(3.03)
288
47.89%
(2.56)
1309
85.09%
(1.00)
0.3633
<.0001
<.0001
Hyperopia
138
24.91%
(2.50)
214
28.45%
(2.08)
216
8.91%
(0.75)
0.2896
<.0001
<.0001
Astigmatism
404
74.93%
(2.78)
549
81.18%
(1.84)
854
50.41%
(1.48)
0.0613
<.0001
<.0001
Strabismus
69
10.01%
(1.47)
10
1.40%
(0.49)
23
1.51%
(0.41)
<.0001
<.0001
0.8631
Blepharoptosis
200
26.56%
(2.34)
169
24.97%
(2.13)
128
6.02%
(0.74)
0.5502
<.0001
<.0001
Cataract
425
56.74%
(2.47)
477
70.69%
(2.39)
325
19.89%
(1.44)
<.0001
<.0001
<.0001
Pterygium
88
12.52%
(1.75)
80
11.12%
(1.31)
47
2.46%
(0.41)
0.5133
<.0001
<.0001
Corneal opacities
40
16.08%
(2.89)
5
7.48%
(4.39)
1
2.36%
(2.36)
0.1935
0.0197
0.2746
Glaucoma
60
11.93%
(1.82)
36
5.40%
(1.10)
40
3.31%
(0.66)
0.0014
<.0001
0.0869
Diabetic retinopathy
31
6.38%
(1.40)
24
4.53%
(1.15)
13
1.20%
(0.40)
0.3108
<.0001
0.0003
Age-related macular degeneration
55
11.57%
(1.74)
58
11.39%
(1.77)
54
3.76%
(0.60)
0.6433
<.0001
<.0001
The presence of cataract, pterygium, corneal opacities, diabetic retinopathy, and age-related macular degeneration was evaluated only in participants aged ≥ 19 years. 12: comparison between groups 1 and 2. 13: comparison between groups 1 and 3. 23: comparison between groups 2 and 3. value by chi-squared test.
