Paul McCartney in Audience Watching The Quarrymen
From Beatles Wiki - Interviews, Music, Beatles Quotes
Although we always thought it was just John Lennon who wore the glasses in the Beatles, it turns out that McCartney occasionally needed glasses, as well.
Friends of the singer say McCartney rarely wore glasses because it was part of his friend John's image.
"He was always conscious that John was famous for his glasses," said one friend. "He felt that it was important to maintain their image and John's glasses were part of that.
"His eyesight is also pretty good, so he didn't need to wear them much."
This has become a hot topic due to the speculation that a picture of the Quarrymen's 22 June 1957 gig shows Lennon singing and a bespectacled McCartney in the audience looking on:
Who knows whether or not Paul needed to wear glasses. Maybe it was just something cool to do, a la Buddy Holly (Lennon and McCartney were both huge fans and hugely influenced by Holly).
Here are some other pics of McCartney in glasses: