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Authors' response—Approach to evaluating the reliability and validity of conjunctival ultraviolet autofluorescence measurement
  1. Justin C Sherwin1,2,
  2. Alex W Hewitt1,
  3. Charlotte M McKnight3,
  4. Lyn R Griffiths4,
  5. Minas T Coroneo5,
  6. David A Mackey1,3,6
  1. 1Department of Ophthalmology, Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, Melbourne, Victoria, Australia
  2. 2Department of Public Health and Primary Care, Institute of Public Health, University of Cambridge, Cambridge, UK
  3. 3Centre for Ophthalmology and Visual Science, University of Western Australia, Lions Eye Institute, Perth, Australia
  4. 4Genomics Research Centre, Griffith Health Institute, Griffith University, Southport, Queensland, Australia
  5. 5Department of Ophthalmology, University of New South Wales, Sydney, New South Wales, Australia
  6. 6Department of Ophthalmology, Royal Hobart Hospital, University of Tasmania, Hobart, Tasmania, Australia
  1. Correspondence to Professor David A Mackey, Lions Eye Institute, Centre for Ophthalmology and Visual Science, University of Western Australia, 2 Verdun St, Nedlands, 6009 Western Australia, Australia; d.mackey{at}

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We thank Sabour and Ghassemi for their interest in our recent publication.1 Clearly the assessment of validity and reliability is important when developing a novel tool to objectively measure ocular ultraviolet radiation exposure.

The concordance correlation coefficient (CCC) was used in our study because it provides a robust …

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  • Competing interests None.

  • Provenance and peer review Commissioned; internally peer reviewed.