Blue light and the circadian clock: Author’s replyMainster, M AAuthor informationUniversity of Kansas Medical School, 3901 Rainbow Boulevard, MS3009, Kansas City, KS 66160-7379, USA; [email protected]Accepted 19 February 2004British Journal of Ophthalmology 88(10):p 1353, October 2004.Copyright © 2004 BMJ Publishing Ltd