Atrius Health, Newton, Massachusetts.
Optom Vis Sci. 2021 May 1;98(5):429-436. doi: 10.1097/OPX.0000000000001687.
This analysis and review demonstrate that, although emerging data indicate that the prevalence of severe acute respiratory coronavirus 2 (SARS-CoV-2) on the ocular surface and coronavirus disease 2019 (COVID-19) conjunctivitis is rare, the ocular surface remains of interest as a potential inoculation and transmission site for SARS-CoV-2. Continued safety precautions should be taken as more data become available.COVID-19, caused by SARS-CoV-2, is a novel, global pandemic that has infected millions and, up to this point, caused more than two million fatalities worldwide. The ocular surface has become of interest as a possible vector for transmission by acting as a direct inoculation site, being a conduit for the virus into the respiratory system or as a method of transmission from potentially infected conjunctiva or tears. The components necessary for SARS-CoV-2 to theoretically infect ocular tissues are present: binding receptors (angiotensin-converting enzyme 2 and cluster of differentiation 147) and mechanisms for cell entry (transmembrane protease serine 2 and cathepsin L). This meta-analysis of COVID-19 prevalence data indicates that SARS-CoV-2 RNA has been infrequently found in conjunctival samples when tested with reverse transcriptase-polymerase chain reaction. This review estimates the prevalence of SARS-CoV-2 on the ocular surface and prevalence of conjunctivitis in patients with laboratory-confirmed COVID-19. There is much to be learned regarding ocular tropism of SARS-CoV-2.
这一分析和综述表明,尽管新出现的数据表明,严重急性呼吸冠状病毒 2(SARS-CoV-2)在眼表面的流行率和 2019 年冠状病毒病(COVID-19)结膜炎是罕见的,但眼表面仍然是 SARS-CoV-2 的潜在接种和传播部位。随着更多数据的出现,应继续采取安全预防措施。
由 SARS-CoV-2 引起的 COVID-19 是一种新型的、全球性的大流行疾病,已经感染了数百万人,到目前为止,全球已有超过 200 万人因此死亡。眼表面已成为一种可能的传播媒介,因为它可以作为直接接种部位,将病毒传播到呼吸系统,或作为潜在受感染的结膜或眼泪传播的一种方式。SARS-CoV-2 理论上感染眼组织所需的成分都存在:结合受体(血管紧张素转换酶 2 和分化群 147)和细胞进入机制(跨膜蛋白酶丝氨酸 2 和组织蛋白酶 L)。对 COVID-19 流行数据的荟萃分析表明,当用逆转录-聚合酶链反应检测时,SARS-CoV-2 RNA 在结膜样本中很少被发现。本综述估计了实验室确诊 COVID-19 患者中 SARS-CoV-2 在眼表面的流行率和结膜炎的流行率。关于 SARS-CoV-2 的眼向性,还有很多需要了解。
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