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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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