Day, A C
,
Donachie, P H J
Sparrow, J M
Johnston, R L
Article History
Received: 8 June 2014
Accepted: 24 December 2014
First Online: 13 February 2015
Competing interests
: PHJD’s employer received unrestricted funding from The Special Trustees of Moorfield’s Eye Hospital to analyse these data. RLJ is the Medical Director of Medisoft Limited, which developed the electronic medical record from which the data were extracted for the first iteration of the National Ophthalmology Database.