* 1. Chemical conjunctivitis, such as from silver nitrate instillation
*2. Chlamydial trachomatis
3. Bacteria

 A. Gram positive
  (1) C. diphtheriae
  (2) Staphylococcus aureus
  (3) Staphylococcus epidermidis
  (4) Streptococcus group D
  (5) Streptococcus pneumoniae
  (6) Streptococcus viridans
 B. Gram negative
  (1) Coliform bacillus, such as E. coli
  (2) Enterobacter cloacae
  (3) Haemophilus influenzae
  (4) Haemophilus parainfluenzae
  (5) K. pneumoniae
  (6) Meningococcus
  (7) Mima polymorpha - gram negative
  (8) N. gonorrhoeae and N. catarrhalis
  (9) Neisseria organisms
  (10) Pneumonococcus
  (11) Proteus mirabilis
  (12) P. aeruginosa
  (13) Pseudomonas pyocyanea
  (14) S. marcescens

4. Virus

 A. Herpes simplex
 B. Streptococcus viridans
 C. Coxsackie A
 D. TRIC virus

5. Other

 A. Acinetobacter species
 B. Branhamella catarrhalis
 C. C. albicans
 D. Citrobacter feundi
 E. Clostridium perfringes
 F. Inclusion blennorrhea
 G. Listeriosis (L. monocytogenes)
 H. Moraxella species
 I. Mycoplasma organisms
 J. Peptococcus prevotii
 K. Propionibacterium species
 L. Trichomonas vaginalis

Cohen KL, McCarthy LR. Haemophilus influenzae ophthalmia neonatorum. Arch Ophthalmol 1980; 98:1214.

Isenberg SJ. The eye in infancy. Chicago: Year Book Medical, 1989.

Rapoza PA, et al. Epidemiology of neonatal conjunctivitis. Ophthalmology 1986; 94:461.

Stenson S, et al. Conjunctivitis in the newborn: observations on incidence, cause, and prophylaxis. Ann Ophthalmol 1981:13:329.