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 needed glasses, as well.
[http://www.dailymail.co.uk/tvshowbiz/article-445887/Exclusive-Unseen-Beatles-photo.html# This Daily Mail article includes the following, with this Frank Hermann photo during the Sgt. Pepper's Lonely Hearts Club Band recording-session meeting:
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.
Here are some pics of McCartney in specs: