"Not very long ago, having to wear glasses could blight a girl's life to the extent of making her feel unattractive, unwanted and hopelessly inferior to anyone else lucky enough to be born with good sight.Then the designers got busy, transforming the ugly, old-fashioned type of spectacles into colourful, face flattering accessories." The Book of Beauty. year of publication unknown but I suspect the late 1950's 0r 1960's.
