The population included in this study was a healthy population with clear refractive interstitium, no cataract, no age-related macular degeneration, diabetic retinopathy and other fundus vascular lesions, and no history of fundus surgery.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Healthy subjects without chronic diseases such as diabetes, hypertension, hyperlipidemia, severe heart disease and severe systemic organic diseases; 2.Subjects whose general condition can tolerate examination and require a certain amount of exercise; 3.Healthy people with clear refractive interstitium, no cataracts, no age-related macular degeneration, diabetic retinopathy and other fundus vascular lesions, and no history of fundus surgery; 4.Subjects who agree and sign the informed consent form;
Exclusion criteria
Exclusion criteria: 1.Patients with severe systemic lesions that cannot tolerate examination and exercise; 2.Subjects with fundus vascular lesions and severe eye diseases; 3.Subjects with a history of posterior segment surgery; 4.Those who have a cold or other infection in the past 2 weeks;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| blood flow density;average blood flow velocity;ratio of circumference of the inner and outer walls of the artery; | — |
Secondary
| Measure | Time frame |
|---|---|
| heart rate;blood pressure;Blood oxygen saturation; | — |
Countries
China
Contacts
Bejing Tongren Hospital, Capital Medical Uniersity