Quintyn J C, Massy J, Quillard M, Brasseur G
Service d'Ophtalmologie Hôpital Charles Nicolle, Rouen, France.
Acta Ophthalmol Scand. 1999 Feb;77(1):23-6. doi: 10.1034/j.1600-0420.1999.770105.x.
We studied changes in the vision of 16 people after consumption of a small quantity of alcohol, at a blood alcohol level (BAL) of 0.57 g/kg.
We studied visual contrast sensitivity (VCS) using Vistech VCTS 6500, visual evoked potential (VEP) by checked pattern stimulations and the peripheral visual field (PVF) with a perimetric automatic Humphrey. We first carried out the tests on sober people and then on individuals with a BAL of 0.57 g/kg.
Alcohol consumption caused no significant difference in performance for these 3 tests. However, at a BAL of 0.57 g/kg there was a decrease in cerebral function, as shown by an increase in the number of mistakes made in the Wisconsin Card Sorting Test.
These results suggest that for a low blood alcohol level, visual performance is less affected by the visual changes than by alteration in brain functions.
我们研究了16名受试者在摄入少量酒精后，血液酒精浓度（BAL）达到0.57 g/kg时的视力变化。
我们使用Vistech VCTS 6500研究视觉对比敏感度（VCS），通过方格图案刺激研究视觉诱发电位（VEP），并使用自动视野计Humphrey研究周边视野（PVF）。我们首先对清醒的人进行测试，然后对血液酒精浓度为0.57 g/kg的个体进行测试。
饮酒对这三项测试的表现没有显著差异。然而，血液酒精浓度为0.57 g/kg时，大脑功能出现下降，如威斯康星卡片分类测试中的错误数量增加所示。
这些结果表明，对于低血液酒精浓度，视觉表现受视觉变化的影响小于受大脑功能改变的影响。
