Correction to: Eye (2017) 31, 1409–1416; doi: 10.1038/eye.2017.73; published online 28 April 2017
Since the online publication of the above article, the authors have noted that the manufacturer of Vismed Multi was cited incorrectly. The correct manufacturer is TRB Chemedica International S.A., Geneva, Switzerland.
The authors apologise for any inconvenience caused by this error.
This error has now been rectified, and the corrected article appears in this issue. The html and online pdf versions have also been rectified, and now carry the corrected paper.