Seah I, Agrawa R : Can the coronavirus disease 2019 (COVID-19) affect the eyes? A review of coronaviruses and ocular implications in humans and animals. Ocul Immunol Inflamm 28 : 391-395, 2020
Seah IYJ, Anderson DE, Kang AEZ et al : Assessing viral shedding and infectivity of tears in coronavirus disease 2019 (COVID-19) patients. Ophthalmology 127 : 977-979, 2020
Nishiura H, Kobayashi T, Miyama T et al : Estimation of the asymptomatic ratio of novel coronavirus infections (COVID-19) . Int J Infect Dis 94 : 154-155, 2020
Hu K, Patel J, Patel BC : Ophthalmic Manifestations of Coronavirus (COVID-19). In StatPearls [Internet]. Treasure Island(FL) : StatPearls Publishing, 2020