DescriptionBr J Ophthalmol. 1998 Aug;82(8):971-3super:Linkhttps://go.openathens.net/redirector/neco.edu?url=https%3A%2F%2Fbjo.bmj.com%2Fcontent%2F82%2F8%2F971.longAuthor(s) or Editor(s)Murdoch IE, Morris SS, Cousens SN