Parameters

POAG (n = 65)

Control (n = 45)

P  value

Ophthalmic artery

 

 

PSV

31.86 ± 8.18

38.54 ± 4.24

F=6.332 P=0.003

EDV

8.61 ± 3.22

13.62 ± 3.54

F=12.687 P=0.002

RI

0.84± 0.04

0.65 ± 0.03

F=5.765 P=0.004

Short posterior ciliary artery

 

 

PSV

21.58 ± 5.65

23.81 ± 4.07

F=0.482 P=0.565

EDV

6.73 ± 3.41

7.29 ± 2.04

F=5.648 P=-0.006

RI

0.61 ± 0.04

0.46 ± 0.06

F=3.481 P=0.026

Central retinal artery

 

 

PSV

10.17 ± 2.65

13.27 ± 2.63

F=6.304 P=0.004

EDV

3.40 ± 1.33

4.64 ± 1.65

F=6.335 P=0.004

RI

0.67 ± 0.13

0.45 ± 0.05

F=6.620 P=0.005

Blood flow velocity is given in cm/second, POAG= primary open angle glaucoma, OA= ophthalmic artery, CRA= central retinal artery, SPCA= short posterior ciliary artery, PSV= peak systolic velocity, EDV= end-diastolic velocity, RI= resistive index ,* P < 0.05
Table 2: Hemodynamic values measured in the retrobulbar vessels for POAG and control subjects.