In screening for congenital cataract, many false referrals will occur

The authorship of this letter (10 July, p 122) was wrongly attributed to Stephen Morgan only; Nigel Hall, a specialist registrar in ophthalmology and a Wellcome Trust fellow, should also have been acknowledged as an author (his address is the Medical Research Council Environmental Epidemiology Unit, University of Southampton, Southampton General Hospital, Southampton SO16 6YD).