chronic obstructive pulmonary disease
Conditions
Interventions
COPD group, healthy control group:OCTA examination
Sponsors
The First Hospital of Lanzhou University.
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: ? Patients meet the diagnostic criteria of the COPD guidelines; ? Patients are adults aged =18 years; ? Upon ophthalmic examination, the fundus and retinal structures are normal, intraocular pressure is within 12-20 mmHg, axial length of the eye is within 20-25 mm, and gonioscopy shows an open angle.
Exclusion criteria
Exclusion criteria: ? Patients with glaucoma, hypertensive or diabetic retinopathy, epiretinal membrane, corneal opacity, high myopia or hyperopia (>6D), corneal diseases, history of ocular trauma or surgery, etc.; ? Patients who are unable to cooperate with OCTA examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The superficial capillary plexus;The deep capillary plexus;Retinal nerve fiber layer;Radial peripapillary capillary; | — |
Secondary
| Measure | Time frame |
|---|---|
| the foveal avascular zone area;the foveal avascular zone perimeter; | — |
Countries
China
Contacts
Public ContactHong GUO
The First Hospital of Lanzhou University.
Outcome results
None listed