This type of conjunctivitis is epidemic pink eye, marked hyperemia and a mucopurulent discharge, which tends toward spontaneous recovery.

1. Gram-positive group

 *A. Pneumococcus
 B. Staphylococcus-eyelid lesions and punctate staining of the lower cornea may occur

2. Gram-negative group

 *A. Haemophilus aegyptius (Koch-Weeks bacillus)
 B. H. influenzae

3. Associated with exanthems and viral infections

 A. German measles (Greig syndrome)
 B. Measles (rubeola)
 C. Mumps
 *D. Reiter syndrome (conjunctivourethrosynovial syndrome)
 E. Scarlet fever

4. Fungus

 A. Candida albicans
 B. Leptothrix

5. Lyell disease-toxic epidermal necrolysis or scalded-skin syndrome
6. Relapsing polychondritis
7. Sjögren syndrome (secretoinhibitor syndrome)
8. Etiology obscure in many cases

Fedukowicz HB. External infections of the eye: bacterial, viral, and mycotic, 3rd ed. New York: Appleton-Century-Crofts, 1984.

Okumoto M, Smolin G. Pneumococcal infections of the eye. Am J Ophthalmol 1974; 77:346-352.

Roy FH. Ocular syndromes and systemic diseases, 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2002.