“Beer Goggles” is the effect of drinking alcohol in a smoky bar and the unattractive women suddenly appearing more attractive. Thanks to British Scientists (called ‘boffins” there), this phenomena now has a proven mathematical formula. It is this:
KEY TO FORMULA
An = number of units of alcohol consumed
S = smokiness of the room (graded from 0-10, where 0 clear air; 10 extremely smoky)
L = luminance of ‘person of interest’ (candelas per square metre; typically 1 pitch black; 150 as seen in normal room lighting)
Vo = Snellen visual acuity (6/6 normal; 6/12 just meets driving standard)
d = distance from ‘person of interest’ (metres; 0.5 to 3 metres)
From the BBC here:
Scientists believe they have worked out a formula to calculate how “beer goggles” affect a drinker’s vision. The drink-fuelled phenomenon is said to transform supposedly “ugly” people into beauties - until the morning after.
Researchers at Manchester University say while beauty is in the eye of the beer-holder, the amount of alcohol consumed is not the only factor.
Additional factors include the level of light in the pub or club, the drinker’s own eyesight and the room’s smokiness.
The distance between two people is also a factor.
The formula can work out a final score, ranging from less than one - where there is no beer goggle effect - to more than 100. Non-appealing people become suddenly attractive between 51 and 100. At more than 100, someone not considered attractive looks like a super model.


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1 person responded in this post
As a lead singer in a band I’ve seen many a “mate” fall prey to this insidious effect. As a frequent witness to the above demonstrable and time tested equation I know There exists a yet proven corollary that needs to be worked on that figures in the diminished “listen to your mates and RUN AWAY!!!” factor as well.
Many may say that it runs directly counter to the “hottie” effect a pint or two has on ones faculties; to whit crossing somewhere in the middle where the “listen” factor and the “hottie” factor cross and are represented equally. I believe, however, that the “Listen” factor runs relatively constant in the subject to a point where the ability of the aforementioned effected individual deteriorates rapidly. I postulate that this rapid decrease occurs some where between jabbering aimlessly and dropping directly to the pub floor for a little nap time.
I’m, by no means a mathematician and could never figure out such mathematical complexeties; given that fact that I start counting at 1, usually after 4, but occaisionally (when I’m feeling particularly saucy) after 3…
-Robb
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