Bokinni, Y
Shah, N
Maguire, O
Laidlaw, D A H
Article History
Received: 3 August 2014
Accepted: 14 April 2015
First Online: 5 June 2015
Competing interests
: DAHL and colleagues, and St Thomas’ Foundation NHS Trust have proprietary interests in the COMPlog visual acuity measurement system. The remaining authors declare no conflict of interest.