In restaurants, for example, what does it matter if you can’t see what you’re putting into your mouth, so long as you’ve impressed the waiter? There are fashions in things, too. One year, it may be the mode to look like an owl with huge circular orbs concealing half the face, another year the short – sighted scientist look may be in with square, rimless glasses. Whatever it may be, there is still one question to which I have not found the answer – do these addicts wear their glasses in bed?