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Table 2 Visual acuity at different contrasts and quality of life data

From: Relations of low contrast visual acuity, quality of life and multiple sclerosis functional composite: a cross-sectional analysis

  

Mean

Standard deviation

Maximum

Minimum

Visual acuity (letter score)

Contrast levels

100%

58.5

3.0

60

42

10%

53.5

5.5

60

36

2.5%

41

7.5

55

23

1.25%

38

9.0

54

11

SF36

PCS

44.48

9.72

63.72

19.17

MCS

46.37

10.67

67.14

19.98

NEIVFQ

Total

88.08

8.02

99.44

58.11

General health

59.5

18.7

100

15

General vision

78.2

12.0

100

45

Eye pain

80.5

17.6

100

25

Near activity

87.3

12.6

100

41.7

Distance activity

91.4

9.4

115

62.5

Social functioning

96.2

7.3

100

66.7

Mental health

89.5

12.5

118.8

35

Role difficulties

78.5

17.9

100

31.3

Dependency

96.5

13.7

100

12.5

Driving

84.2

20.3

100

0

Color

98

7

100

75

Peripheral vision

88

15

100

50

  1. Abbreviations: SF36 Short Form 36 quality of life questionnaire, NEIVFQ National Eye Institute Visual Function Questionnaire, PCS physical component score, MCS mental component score.