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J Neuroophthalmol 2021[Jun]; 41 (2): 166-169 PMID33999887show ga
OBJECTIVES: Affection of the central nervous system and the eyes is increasingly recognized as manifestations of a SARS-CoV-2 infection (COVID-19). This review aims at summarizing and discussing recent advances concerning causes and locations of impaired vision because of an infection with SARS-CoV-2. METHODS: On a literature search through PubMed and ScholarOne, all available publications about COVID-19 patients with impaired vision were retrieved. RESULTS: Visual impairment in SARS-CoV-2-infected patients may be due to infection of lacrimal glands (dacryoadenitis), conjunctivitis, tonic pupils, vitritis, central retinal artery/venous occlusion, retinitis, retinal bleeding, panuveitis, anterior ischemic optic neuropathy, optic nerve stroke, optic neuritis, optic perineuritis, or occipital ischemic stroke. Visual impairment may be the initial manifestation of SARS-CoV-2. CONCLUSIONS: This mini review shows that impaired vision may be the initial manifestation of COVID-19, that all sections of the visual tract may be affected and causative for visual impairment in COVID-19 patients, and that SARS-CoV-2 manifests along the visual tract with ischemia, focal infection, and immunological reactions.
J+Neuroophthalmol 2021 ; 41 (2): 166-169
