Ophthalmia neonatorum

Ophthalmia neonatorum refers to conjunctival disease in neonates, including infections such as chlamydial, gonococcal, herpes simplex, and staphylococcal infections, as well as chemical conjunctivitis and conditions related to nasolacrimal duct obstruction.^[1]

Neonatal conjunctivitis manifests within the first month of life, with symptom onset varying by etiology ^[2]. Chemical irritation typically appears immediately following delivery, whereas gonococcal infection emerges within the first five days, and chlamydial infection presents between five days and two weeks postpartum ^[2]. Pathogenic variants, particularly those involving Chlamydia trachomatis, Neisseria gonorrhoeae, or herpes simplex virus, pose substantial risks for permanent visual impairment and systemic involvement ^[1]. Severe untreated presentations may advance to corneal ulceration, perforation, opacification, and staphyloma development ^[2].

The cited review describes gonococcal ophthalmia neonatorum as having a low incidence in the settings considered.^[3]

Infectious transmission occurs predominantly during vaginal childbirth through direct vertical exposure to maternal genital tract pathogens ^[2]. The primary vectors involved are Neisseria gonorrhoeae and Chlamydia trachomatis, which colonize the birth canal and infect the neonate upon passage ^[2]. Non-infectious pathways also contribute to the clinical presentation, notably through chemical irritants applied during obstetric care ^[2].

Silver nitrate prophylaxis administered soon after birth has been used statutorily in many countries. The cited review notes that it does not prevent every case of gonococcal ophthalmia neonatorum and may cause chemical conjunctivitis, pain, and visual impairment; consideration of alternative prophylaxis or removal of mandatory prophylaxis has been prompted by low incidence, improved prenatal diagnosis, and alternative preventive options.^[3]

1. 1Friendly DS et al. Ophthalmia neonatorum. Pediatr Clin North Am. 1983 Dec. PMID: 6359042. doi: 10.1016/s0031-3955(16)34500-x.PubMed: https://pubmed.ncbi.nlm.nih.gov/6359042/
2. 2Wikipedia contributors. Neonatal conjunctivitis - Wikipedia [Internet]. Wikipedia. cited 3 Sept 2026.Available from: https://en.wikipedia.org/wiki/Neonatal_conjunctivitis
3. 3Schneider G et al. Silver nitrate prophylaxis. Can Med Assoc J. 1984 Aug 1. PMID: 6378348.PubMed: https://pubmed.ncbi.nlm.nih.gov/6378348/