The glasses may be putting you off the scent. I did wonder about Specsavers Night myself but I m not quite as daring ::17:::12: as to participate in a Frank Carson party but I see just what you mean! Try again! Where are all the other suggestions from folk?
As a matter of fact, nobody else turned up dressed for the theme. They were all tastefully dressed. Note the word tastefully . Therein lies a hint as to the theme!