COVID-19(33) Result(31) COVID-19 pandemic(29) Patient(29) pandemic(21) Treatment(20) hospital(17) age(14) Symptom(13) Care(13) evaluate(12) analyzed(12) supplementary material(12) Follow-up(12) Diagnosis(11) ocular(11) condition(10) risk(10) significantly(10) ophthalmic(9) outcome(9) measure(9) surgical(9) Factor(9) visual acuity(9) demographics(9) Infection(8) Acute retinal necrosis(8) Registered(8) remained(8)