Retinal Neurovascular Coupling in Patients Previously Infected With COVID-19
Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorMedical University of Vienna
The Study objective is to measure retinal neurovascular coupling and blood flow parameters in patients previously infected with COVID-19, long COVID-19 and healthy age- and sex- matched control subjects
Men and women aged over 18 years
Non-smokers
Normal findings in the medical history unless the investigator considers an abnormality to be clinically irrelevant
No previous history of COVID-19 infection
Symptoms of a clinically relevant illness in the 3 weeks before the first study day
Presence or history of a severe medical condition as judged by the clinical investigator
Participation in a clinical trial in the 3 weeks preceding the study
Blood donation during the previous three weeks