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Table 2 Intraocular Pressure and Ocular Perfusion Pressure in the Different Body Position

From: Postural effects on intraocular pressure and ocular perfusion pressure in patients with non-arteritic anterior ischemic optic neuropathy

 

IOP (mmHg)

 

OPP (mmHg)

 

Affected Eye

Unaffected Eye

P value*

Affected Eye

Unaffected Eye

P value*

T1

16.6 ± 3.4 (10.5–23.3)

15.6 ± 2.9 (9.5–20.6)

0.055

50.1 ± 9.9 (35.4–77.6)

51.1 ± 11.0 (33.4–78.3)

0.055

T2

17.8 ± 3.5 (11.6–28.1)

17.4 ± 3.2 (11.8–24.1)

0.327

65.7 ± 12.4 (47.6–92.2)

66.2 ± 12.5 (46.9–93.7)

0.139

T3

20.2 ± 4.2 (13.8–29.9)

19.2 ± 3.7 (14.6–28.1)

0.457

59.8 ± 13.8 (37.3–83.2)

60.2 ± 14.0 (35.5–83.0)

0.355

T4

18.2 ± 2.7 (11.9–23.4)

17.7 ± 3.2 (12.6–25.5)

0.089

64.7 ± 13.1 (39.9–92.5)

65.8 ± 12.5 (46.8–92.1)

0.089

T5

20.3 ± 5.6 (14.0–32.2)

18.9 ± 4.7 (10.8–30.4)

0.287

53.1 ± 12.5 (38.4–81.0)

54.5 ± 13.5 (34.5–82.2)

0.422

T6

18.0 ± 3.6 (9.7–23.4)

17.0 ± 3.7 (7.9–24.4)

0.053

63.8 ± 14.0 (35.0–95.6)

64.7 ± 13.5 (35.3–93.8)

0.420

Affected eye DLDPa

21.4 ± 5.4 (14.0–32.2)

19.2 ± 4.1 (13.8–31.7)

0.020

56.9 ± 11.7 (39.4–79.5)

57.9 ± 12.1 (40.8–79.5)

0.041

Unaffected eye DLDPa

18.6 ± 5.1 (10.8–30.4)

19.6 ± 2.9 (14.8–24.0)

0.204

56.0 ± 15.3 (37.3–83.2)

55.6 ± 15.1 (35.5–83.0)

0.052

  1. DLDP dependent lateral decubitus position, IOP intraocular pressure; OPP, ocular perfusion pressure
  2. T1, sitting position; T2, 10 min after supine position; T3, 10 min after right lateral decubitus position; T4, 10 min after supine position; T5, 10 min after left lateral decubitus position; T6, 10 min after supine position
  3. Data are described as the mean ± standard deviation (minimum–maximum)
  4. * Wilcoxon signed-rank test
  5. aThe DLDP was defined as the position when the eye of interest (affected or unaffected) was placed on the dependent (lower) side in lateral decubitus position