Canaloplasty in Open-Angle Glaucoma Surgery: A Four-Year Follow-Up

Table 1

Pre- and postoperative intraocular pressure measurements (mmHg).

Preop

D1

W1

M1

M3

M6

M12

M18

M24

M30

M36

M42

No of eyes

214

214

214

214

207

194

144

129

80

69

29

19

Mean ± SD

29.4 ± 7.9

13.3 ± 6.1

17.3 ± 6.8

18.1 ± 7.4

17.1 ± 4.7

17.3 ± 4.8

16.8 ± 4.2

16.7 ± 4.0

17.1 ± 4.7

16.4 ± 4.7

17.3 ± 3.9

16.9 ± 3.1

95% CI

18.0–52.1

3.0–28.0

4.2–31.1

6.4–35.1

8.0–27.0

9.3–26.2

10.0–25.1

10.0–23.4

8.9–28.1

10.4–25.2

8.3–27.7

10.0–22.0

P value*

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

D: day; W: week; M: month: SD: standard deviation; CI: confindence interval; *paired t-test in comparison with the preoperative values.