An author's error occurred in the editorial in the December issue of the *BJO* (1997;**81**:1025). in the fourth paragraph, line 9, in the sentence that states "The definitive surgical treatment seems to be a combination of ipsilaterial inferior rectusstrengthening, ipsilateral superior rectus weakening, and contralateral *inferior oblique* weakening, all muscles adjustable sutures", the muscle specified should be *inferior rectus*. The author apologises for any confusion caused.