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COVID-19 and ocular complications:A review of ocular manifestations,diagnostic tools,and prevention strategies

Advances in Ophthalmology Practice and Research 2023年第1期3卷 33-38页

作者： Jilian Dong Ruida Chen Hanhe Zhao Yirui Zhu School of Public Health Nanjing Medical UniversityNanjingChina Eye Department Affiliated Dongyang HospitalWenzhou Medical UniversityDongyangChina Eye Center Affiliated Second HospitalSchool of MedicineZhejiang UniversityHangzhouChina

Background:The novel severe acute respiratory syndrome coronavins 2(SARS-CoV-2)led to the severe Corona Virus Disease 2019(COVID-19)outbreak that started in December 2019 in China and caused enormous health and economic problems *** time,SARS-CoV-2 has demonstrated the capacity for *** the most prevalent new coronavirus variety worldwide,the Omicron variant has supplanted the Delta *** COVID-19 primarily damages the immune system and the lungs,but it can also harm other organs secondarily,depending on the patients'co-existing *** Text:COVID-19 is associated with ophthalmic manifestations such as conjunctival congestion,tear overflow,and conjunctival edema,with the majority of eye complications occurring in patients with severe *** virus may make a patient more susceptible to thrombotic conditions that affect venous and arterial ***,it can lead to efferent complications and mucormycosis which is more common in patients with diabetes or who have critical or severe SARS-CoV-2 ***,there are a number of ocular side effects following the COVID-19 vaccination,such as herpetic keratitis and facial nerve palsy,which have been *** side effects may be caused by the vaccinations'propensity to trigger autoimmune symptoms or thromboembolic *** present,large-scale nucleic acid testing mainly relies on nasopharyngeal swabs and throat *** samples and conjunctival swabs may be helpful samples for the diagnosis of ocular SARS-CoV-2 *** eye could be a new route of infection,and finding ways such as effective environmental disinfection,scientific administrative control management,qualified personal protection and other measures to protect the eyes could further reduce the risk of ***:This review aims to sum up the ocular complications of COVID-19,the possible pathogenesis,and preventive strategies to protect ophthalmology practitioners and patients b

关键词： COVID-19 Ocular manifestations diagnostic tools Prevention strategies

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Real time monitoring for analysis of dam stability:Potential of nonlinear elasticity and nonlinear dynamics approaches

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Frontiers of Structural and Civil Engineering 2013年第2期7卷 188-205页

作者： T.CHELIDZE T.MATCHARASHVILI V.ABASHIDZE M.KALABEGISHVILI N.ZHUKOVA M.Nodia Institute of Geophysics Ivane Javakhishvili Tbilisi State UniversityTbilisi 0218Georgia European Centre on Geodynamical Hazards of High Dams 1 Alexidze str.Tbilisi 0171Georgia Georgian Technical University Tbilisi 0171Georgia

Large dams are complex structures with nonlinear dynamic *** often are forced to assess dam safety based on the available incomplete data,which is extremely *** important problem can be solved with the modern theory of complex *** is possible to derive characteristics of the whole unknown dynamics of a structure using few data sets of certain carefully selected representative parameter(s).By means of high quality continuous records of some geotechnical characteristic(s)of a dam and modern methods of time series linear/nonlinear analysis the main dynamical features of the entire,unknown process(here—dam deformation)can be *** created the cost-effective Monitoring Telemetric System for Dam diagnostics(DAMWATCH),which consists of sensors(tiltmeters),terminal and central controllers connected by the GSM/GPRS Modem to the diagnostic *** tilt data recorded for varying reservoir level are compared with static design model of dam deformations computed by a finite element method(FEM)for the dam-reservoir-foundation ***,recently developed linear/nonlinear data analysis and prediction schemes may help to quantify fine dynamical features of the dam *** software package DAMTOOL has been developed for this *** differences between measured and theoretically predicted response parameters of the dam may signal abnormal behavior of the *** data obtained already by testing of the DAMWATCH/DAMTOOL system during operation of the high Enguri arc dam and reservoir(Georgia)show interesting long-term and short-term patterns of tilts in the dam body,which can be used for dam *** proposed real-time telemetric monitoring(DAMWATCH)complex and linear/nonlinear dynamical analysis system(DAMTOOL)are unique.

关键词： real time monitoring telemetry dam tilts diagnostic tools hysteresis nonlinear dynamics

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