Eye
Conjunctiva
Infectious conjunctivitis

Author: Deepali Jain, M.D. (see Authors page)

Revised: 25 April 2018, last major update October 2014

Copyright: (c) 2004-2018, PathologyOutlines.com, Inc.

PubMed Search: Infectious conjunctivitis [title]

Cite this page: Jain, D. Conjunctiva: infectious conjunctivitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeconjinfectious.html. Accessed November 21st, 2018.
Definition / general
Epidemiology
  • In children, bacterial conjunctivitis is more common than viral
  • Viral conjunctivitis is highly contagious
Sites
  • Bulbar and palpebral conjunctiva
Etiology
Clinical features
  • Bacterial: itching, tearing, redness, purulent discharge, matting of eyelids
  • Viral: irritation, photophobia, watery discharge
Case reports
Clinical images

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Adenovirus: various images

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Gonococcal

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Molluscum contagiosum

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Trachoma with follicles

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Trachoma with intense inflammation

Microscopic (histologic) description
  • Neutrophils on Gram stain if bacterial; lymphocytes in viral conjunctivitis