Table 1

Recruitment to study by centre

DescriptionMEHBartsLiverpoolSheffieldTotal
Approached19415917137561
Declined25297010134
Pending at close of study104793711231
Written consent obtained65516416196
  • Barts, St Bartholomew's Hospital, London; Liverpool, Royal Liverpool University Hospital; MEH, Moorfields Eye Hospital; Sheffield, Royal Hallamshire Hospital.