Beer Goggles Explained!

e4g4 writes: Researchers at Manchester University have apparently discovered the formula behind the well known "Beer Goggle" effect. The research, commissioned by Bausch and Lomb PureVision, has determined that the quantity of alcohol consumed isn't the only variable that contributes to the "Beer Goggle factor", smokiness of the room and a person's visual acuity also come into play. (Yeah, the article's a little over a year old, but Science + Beer == Fun).