Discussion in 'Health and Fitness' started by Dontdreamit, Jan 24, 2008.
The heart of the site is the forum area, including:
An educated guess would suggest that it could mean that you can see from 3 metres what 50% of the population can see from 1 metre. Similar to the 6/6 type rating. So maybe translated it means 18/6?
Could be completely wrong.
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