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Table 2 Mean values for the disturbance index and pupil size for groups with BrAC ≤0.25 mg/l and BrAC > 0.25 mg/l.

From: A visual test based on a freeware software for quantifying and displaying night-vision disturbances: study in subjects after alcohol consumption

 

BrAC ≤ 0.25 mg/l

BrAC > 0.25 mg/l

 

PRE-

POST-

PRE-

POST-

VDI monocular

0.22 ± 0.10

0.30 ± 0.16

0.27 ± 0.17

0.44 ± 0.25

VDI binocular

0.16 ± 0.08

0.20 ± 0.11

0.16 ± 0.09

0.27 ± 0.17

Pupil size (mm)

5.2 ± 0.9

5.4 ± 1.0

5.3 ± 0.9

5.7 ± 0.9

  1. Mean values for the visual disturbance index (VDI) and for the pupil size before and after alcohol consumption for the two groups: BrAC≤0.25 mg/l and BrAC>0.25 mg/l. Standard deviation included. Statistical analysis: paired-sample t-Test for means.