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Table 3 Alterations in Intraocular Pressure and Ocular Perfusion Pressure During Changing Body Positions

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

 

Alterations in IOP (mmHg)

 

Alterations in OPP (mmHg)

 

Affected eye

Unaffected eye

P value*

Affected eye

Unaffected eye

P value*

T1 to T2

1.3 ± 2.7

1.8 ± 2.2

0.422

15.6 ± 5.8

15.1 ± 4.6

0.411

T2 to T3

2.4 ± 3.4

1.9 ± 3.1

0.376

−5.9 ± 8.9

−5.9 ± 8.1

0.717

T3 to T4

−2.0 ± 3.5

−1.5 ± 3.4

0.601

5.0 ± 11.0

5.5 ± 9.8

0.823

T4 to T5

2.1 ± 4.6

1.2 ± 3.4

0.936

−11.6 ± 8.2

−11.2 ± 7.7

0.936

T5 to T6

−2.3 ± 3.7

−1.8 ± 2.4

0.896

10.7 ± 9.5

10.2 ± 10.9

0.794

Supine to DLDPa

2.9 ± 4.4

0.7 ± 3.1

0.003

−6.7 ± 9.4

−4.9 ± 8.0

0.022

DLDP to supineb

−3.7 ± 3.2

−1.0 ± 3.3

<0.001

7.8 ± 9.4

6.2 ± 9.6

0.005

  1. IOP intraocular pressure, OPP ocular perfusion pressure; 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
  2. Data are described as the mean ± standard deviation
  3. The 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
  4. * Wilcoxon signed-rank test, a T2 to T3 for right eye and T4 toT5 for left eye, b T3 to T4 for right eye and T5 to T6 for left eye
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BMC Ophthalmology

ISSN: 1471-2415

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