By Forrester MB ChB FRCS(ed) FRCS(Glasg) FRCOphth FRCP FMedSci FRSE, John V., Dick BSc MB BS MD FRCP FRCS FRCOphth FMedSci, Andrew D., McMenamin BSc(Hons) MSc(Med Sci) PhD, Paul G., Lee CBE, William R.
