Harry Potter eat your heart out. Goggle-like frames so geeky that no one who actually needs glasses would dare be seen in them, but John Lennon, Harry and a host of hippies can’t all be wrong about round glasses, can they? If all else fails, just explain politely that you’re a genius. £10 from ASOS. http://www.asos.com/Asos-Collection/Asos-Round-Clear-Lens-Glasses/Prod/pgeproduct.aspx?iid=903815&cid=6519&sh=0&pge=0&pgesize=20&sort=-1&clr=Black