A Review of Human Ocular RNA Virus Infections Excluding Coronavirus, Human T-Cell Lymphotropic Virus, and Arboviruses

ABSTRACT

We provide an updated review of pre-selected RNA viruses causing ocular inflammation in humans. RNA viruses such as coronaviruses and arboviruses are reviewed elsewhere. A Google Scholar search was conducted to identify recent publications on ocular inflammation caused by the RNA viruses specified here. Human RNA viruses target a wide range of ocular tissues from the anterior to the posterior. Influenza, measles and mumps cause anterior segment manifestations including conjunctivitis and keratitis, while retinitis and optic neuritis may be seen posteriorly. Newcastle disease and RSV cause conjunctivitis, whereas HIV causes characteristic anterior uveitis. Cataracts, microphthalmos, and iris abnormalities are common in congenital Rubella, while Rubella virus is associated with Fuchs uveitis syndrome. Newer technologies make it possible to detect more than one pathogen if present simultaneously. RNA viruses may produce significant ocular morbidity, and care should be taken to investigate ocular symptoms during disease outbreaks.

KEYWORDS:

• HIV
• ocular inflammation
• RNA viruses
• rubella
• uveitis

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