Features of the Course and Rare Ophthalmic Manifestations of Post-COVID Syndrome

The review presents data from studies of the ophthalmological consequences disease caused by SARS-CoV-2, especially regarding its rare manifestations. Clinical manifestations post-COVID-19 syndrome disappear within about two weeks in mild cases and 3 to 12 more severe cases. 80 % patients have than one, often two, 10 symptoms. In general, improve spontaneously continuously over time. ophthalmic COVID-19 vary nature, severity, timing, are common with systemic disease, abnormal blood counts, inflammatory conditions. Ophthalmic can develop at any time during course disease. median symptom onset since diagnosis is 5 days for neuro-ophthalmic manifestations, 8.5 ocular surface anterior segment eye, posterior orbit. causes approximately 11 patients. most manifestation conjunctivitis, which affects almost 89 eye diseases. Other much less anomalies SARS-CoV-2 include scleritis, episcleritis, acute uveitis. Posterior injuries mainly vascular, such as hemorrhages, cotton wool spots, dilated veins, vasculitis. Rare complications rhino-orbital-cerebral mucormycosis; retrobulbar optic neuropathy, papillitis, neuroretinitis, ischemic non-arterial neuropathy; retinal white spot (MEWDS); unilateral uveitis, serpiginous choroiditis; bilateral central serous chorioretinopathy; depigmentation iris, transillumination iris; refraction changes; associated drugs used treat that toxic effects on tissue; vaccine-associated