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Mycobacterium tuberculosis in donor cornea
  1. Soumyava Basu
  1. Retina and Vitreous Service, L V Prasad Eye Institute, Bhubaneswar, Orissa, India
  1. Correspondence to Soumyava Basu, L V Prasad Eye Institute, Patia, Bhubaneswar, Orissa 751 024, India; basu{at}

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I read with interest the study by Catedral et al on the use of PCR for the detection of Mycobacterium tuberculosis in donor corneal tissues.1 The authors report the presence of M tuberculosis DNA in donor corneas of patients with no documented history of tuberculosis. However, there are several methodological errors in the study which need to be discussed. The most significant …

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  • Competing interests None to declare.

  • Provenance and peer review Not commissioned; not externally peer reviewed.