The following clinicians contributed to this briefing:
Mr David Steel, consultant ophthalmologist, Sunderland Eye Infirmary. Did not declare any interests.
Miss Daniela Vaideanu-Collins, consultant ophthalmic surgeon, James Cook University Hospital Middlesborough. Miss Vaideanu-Collins is involved in a clinical evaluation of the mask, but has no financial benefit.
Mr Ian Pearce, consultant ophthalmologist and director of the Clinical Eye Research Centre, Royal Liverpool University Hospital. Mr Pearce has conducted paid work for the commercial healthcare sector, none of which involved the mask under review.