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Letter
Reliability and validity of conjunctival ultraviolet autofluorescence measurement
  1. Siamak Sabour1,
  2. Fariba Ghassemi2
  1. 1Department of Epidemiology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  2. 2Farabi Hospital, Eye Research Center, Tehran University of Medical Sciences, Tehran, Iran
  1. Correspondence to Assistant Professor Siamak Sabour, Department of Epidemiology, Shahid Beheshti University of Medical Sciences, Tehran, Iran; s.sabour{at}sbmu.ac.ir

https://doi.org/10.1136/bjophthalmol-2012-302087

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    We were interested to read the paper by Sherwin and colleagues1 in the June 2012 issue of British Journal of Ophthalmology. The authors report intra-observer (ρ_c=0.988, 95% CI 0.967 to 0.996, p<0.001) and interobserver (ρ_c=0.924, 95% CI 0.870 to 0.956, p<0.001) concordance correlation coefficients of total ultraviolet autofluorescence (UVAF) exceeded 0.900. As the authors point out in their conclusion, intra and …

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    Footnotes

    • Competing interests None.

    • Provenance and peer review Not commissioned; internally peer reviewed.