COVID-19(2) Ocular surface(2) SARS-CoV-2(2) coronavirus(2) virus(2) ocular(2) polymerase chain(1) analyzed(1) patients with COVID-19(1) infected with SARS-CoV-2(1) TMPRSS2(1) Symptoms(1) Proteins(1) Swab(1) cathepsin(1) E-gene(1) index(1) replicates(1) Tear(1) Cell(1) evaluate(1) Potential(1) review(1) Symptom(1) Transmission(1) Conjunctival swab(1) CD147(1) ocular transmission(1) questionnaire(1) gene expression profile(1)