Ophthalmology 2021 Jan 27. Epub 2021 Jan 27.
Academic Unit of Ophthalmology, Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK; Centre for Patient Reported Outcome Research, Institute of Applied Health Research, College of Medical and Dental Sciences. University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; Department of Ophthalmology, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Birmingham B15 2WB, UK.