Retinal-Image Quality and Night-Vision Performance after Alcohol Consumption

Table 2

Mean values for the visual-disturbance index (VDI) and the pupil size, before and after alcohol consumption for all participants and participants with a BrAC greater or less than 0.25 mg/L. Standard deviations included.

BrAC (mg/L)	<0.25	≥0.25	Total
VDI
Before	0.19±0.09	0.25±0.17	0.23±0.15
After	0.26±0.14	0.42±0.25	0.36±0.23
P value	<0.001	<0.001	<0.001
Pupil size (mm)
Before	5.14±1.05	5.24±0.90	5.20±0.96
After	5.15±0.99	5.70±0.93	5.49±0.99
P value	0.452	<0.001	<0.001