Also, the new groups of wearers are being dubbed "suspecs".
A study by YouGov for Vision Express found that almost one in ten 18-24 year-olds had admitted buying them.
Caption: Only superstar Johnny Depp can manage to look sexy in a pair of thick rimmed spectacles!
Photograph: Junko Kimura/Getty Images
Also see: Five buys that will never go out of style
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