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Pre-existing blindness in a cohort of patients with bacterial keratitis
  1. Catherine E Oldenburg1,
  2. Aileen Sy1,
  3. Muthiah Srinivasan2,
  4. Christine M Toutain-Kidd3,
  5. Jeena Mascarenhas2,
  6. Meenakshi Ravindran4,
  7. Revathi Rajaraman5,
  8. Elizabeth J Esterberg1,
  9. Jaya D Chidambaram1,
  10. Nisha R Acharya1,
  11. Thomas M Lietman1,
  12. Michael E Zegans3
  1. 1Francis I. Proctor Foundation, University of California, San Francisco, USA
  2. 2Aravind Eye Care System, Madurai, Tamil Nadu, India
  3. 3Department of Surgery (Ophthalmology), Dartmouth Medical School, Lebanon, New Hampshire, USA
  4. 4Aravind Eye Care System, Tirunelveli, Tamil Nadu, India
  5. 5Aravind Eye Care System, Coimbatore, Tamil Nadu, India
  1. Correspondence to Michael E Zegans, Dartmouth Medical School, Section of Ophthalmology, Dartmouth Hitchcock Medical Center, One Medical Center Drive, Lebanon, NH 03755, USA; michael.e.zegans{at}

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Microbial keratitis is an important cause of visual loss worldwide, although the resulting blindness is generally assumed to be monocular.1 2 Vision …

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  • Funding None of the authors have any financial disclosures related to this manuscript. Funding for the trial was from the National Eye Institute, U10 EY015114 (TML). NRA is supported by a National Eye Institute K23 EY017897 grant and a Research to Prevent Blindness Award. The Department of Ophthalmology at UCSF is supported by a core grant from the National Eye Institute, EY02162. The sponsors did not have a role in the design and conduct of the study; collection, management, analysis and interpretation of the data; and preparation, review or approval of the manuscript.

  • Competing interests None.

  • Ethics approval This study was conducted with the approval of the ethics committees of University of California San Francisco, Dartmouth Medical School and Aravind Eye Care System.

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