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Table 1 Baseline characteristics of participants scheduled for cataract surgery

From: Focussing both eyes on health outcomes: revisiting cataract surgery

 

‘All First Eye’ (n = 142)

‘Both Eyes’ (n = 55)

  

First Eye/Second Eye

Baseline Characteristics

Mean (SD) or Number (%)

Mean (SD) or Number (%)

Age

72.8 (8.1)

73.0 (7.2)

Female

86 (60.6)

36 (65.5)

Visual acuity

≥0.5 (20/40)

49 (34.5)

28 (50.9)/41 (74.5)

0.2-0.4 (20/100-20/50)

80 (56.3)

24 (43.6)/13 (23.6)

≥0.1 (20/200)

13 (9.2)

3 (5.5)/1 (1.8)

Glare

  

None

12 (8.6)

3 (5.5)/3 (5.5)

Mild

5 (3.6)

3 (5.5)/2 (3.6)

Moderate

105 (75.5)

36 (65.5)/45 (81.8)

Severe

17 (12.2)

13 (23.6)/5 (9.1)

Age Related Macular Degeneration

None

119 (84.4)

42 (76.4)

Mild

20 (14.2)

11 (20.0)

Moderate

2 (1.4)

2 (3.6)

Severe

0 (0)

0 (0)

Ocular Comorbidities

None

118 (83.7)

42 (77.8)/43 (79.6)

Mild

13 (9.2)

7 (13.0)/7 (13.0)

Moderate

9 (6.4)

4 (7.4)/2 (3.7)

Severe

1 (0.7)

1 (1.9)/2 (3.7)

Extent of Impairment in Visual Function

None

1 (0.7)

1 (1.8)/0 (0)

Mild

16 (11.3)

5 (9.1)/3 (5.5)

Moderate

123 (86.6)

47 (85.5)/52 (94.5)

Severe

2 (1.4)

2 (3.6)/0 (0)

Ability to Function Independently

Not threatened/no difficulties

15 (10.6)

4 (7.3)/3 (5.5)

Not threatened but more difficult

68 (47.9)

44 (80.0)/47 (85.5)

Threatened but not immediately

51 (35.9)

7 (12.7)/5 (9.1)

Immediately threatened or unable

8 (5.6)

0 (0)/0 (0)

Indications for first/second eye

Significant cataract

137 (100)

55 (100)/52 (98.1)

Driving

17 (12.4)

9 (16.4)/10 (18.9)

Needs better view

0 (0)

0 (0)/1 (1.9)

Other medical disease

2 (1.5)

1 (1.8)/1 (1.9)