I hope you’ve got another pair of glasses so that when the arm comes off one pair you can see with the other pair to re-attatch the arm with a small safety pin.
It works,otherwise I’d be typing this using a magnifying glass.It doesn’t look too Jack Duckwort or Dame Edna Everidge, but may have a shade of the Elton John’s.
Happy Jubalympics to you all, Wb