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Table 1 Visual functions and disability by age groups in adult population, Shahroud, Iran, 2014

From: Visual functions and disability in Iranian adults: a population-based study

 Visual functions

Age group

Total

45–49

50–54

55–59

60–64

65-69

Text Reading N (%)

 No Problem

514 (58.9)

757 (59.5)

713 (60.4)

480 (55.8)

272 (51.0)

2736 (58.0)

 Little Problem

173 (19.8)

257 (20.2)

208 (17.6)

145 (16.8)

93 (17.4)

876 (18.6)

 Moderate Problem

70 (8.0)

79 (6.2)

73 (6.1)

42 (4.8)

27 (5.0)

291 (6.2)

 High Problem

81 (9.2)

106 (8.3)

101 (8.5)

77 (8.9)

51 (9.5)

416 (8.8)

 Unable for Vision

7 (0.8)

10 (0.7)

7 (0.5)

5 (0.5)

7 (1.3)

36 (0.8)

 Unable for other reasons

27 (3.1)

62 (4.8)

78 (6.6)

110 (12.8)

83 (15.5)

360 (7.6)

Job or Leisure  N (%)

 No Problem

447 (51.2)

665 (52.3)

634 (53.7)

438 (50.9)

270 (50.6)

2454 (52.0)

 Little Problem

205 (23.5)

305 (24.0)

268 (22.7)

199 (23.1)

120 (22.5)

1097 (23.3)

 Moderate Problem

41 (4.7)

86 (6.7)

71 (6.0)

53 (6.1)

34 (6.3)

285 (6.0)

 High Problem

156 (17.8)

184 (14.4)

168 (14.2)

138 (16.0)

83 (15.5)

729 (15.5)

 Unable for Vision

22 (2.5)

29 (2.2)

38 (3.2)

30 (3.4)

26 (4.8)

145 (3.1)

 Unable for other reasons

1 (0.1)

2 (0.1)

1 (0.08)

1 (0.1)

0 (0.0)

5 (0.1)

Finding Things in Box N (%)

 No Problem

809 (92.7)

1138 (89.5)

1059 (89.7)

769 (89.5)

459 (86.1)

4234 (89.8)

 Little Problem

41 (4.7)

89 (7.0)

79 (6.6)

52 (6.0)

40 (7.5)

301 (6.4)

 Moderate Problem

8 (0.9)

17 (1.3)

17 (1.4)

18 (2.1)

13 (2.4)

73 (1.5)

 High Problem

10 (1.1)

20 (1.5)

16 (1.3)

11 (1.2)

15 (2.8)

72 (1.5)

 Unable for Vision

3 (0.3)

7 (0.5)

9 (0.7)

9 (1.0)

6 (1.1)

34 (0.7)

 Unable for other reasons

1 (0.1)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

1 (0.1)

Reading Driving Sign  N (%)

 No Problem

724 (83.0)

1034 (81.3)

974 (82.5)

680 (79.1)

409 (76.7)

3821 (81.0)

 Little Problem

86 (9.8)

130 (10.2)

117 (9.9)

94 (10.9)

63 (11.8)

490 (10.4)

 Moderate Problem

40 (4.5)

68 (5.3)

48 (4.0)

48 (5.5)

26 (4.8)

230 (4.9)

 High Problem

18 (2.0)

33 (2.6)

31 (2.6)

24 (2.7)

26 (4.8)

132 (2.8)

 Unable for Vision

2 (0.2)

2 (0.1)

3 (0.2)

5 (0.5)

4 (0.7)

16 (3.4)

 Unable for other reasons

2 (0.2)

4 (0.3)

7 (0.5)

8 (0.9)

5 (0.9)

26 (5.5)

Walking in Low Light  N (%)

 No Problem

738 (84.6)

1088 (85.6)

982 (83.2)

701 (81.6)

421 (78.9)

3930 (83.3)

 Little Problem

81 (9.2)

116 (9.1)

115 (9.7)

78 (9.0)

58 (10.8)

448 (9.5)

 Moderate Problem

26 (2.9)

36 (2.8)

39 (3.3)

42 (4.8)

31 (5.8)

174 (3.7)

 High Problem

23 (2.6)

23 (1.8)

39 (3.3)

32 (3.7)

18 (3.3)

135 (2.9)

 Unable for Vision

3 (0.3)

6 (0.4)

4 (0.3)

6 (0.7)

5 (0.9)

24 (5.1)

 Unable for other reasons

1 (0.1)

2 (0.1)

1 (0.08)

0 (0.0)

0 (0.0)

4 (0.5)