OCTA in Cardiovascular Disease and Healthy Controls

This study uses a specialized eye imaging technique (optical coherence tomography angiography, or OCTA) to look at tiny blood vessels in the retina of people with cardiovascular diseases, to see if eye changes can reveal information about heart and vascular health. **You may be eligible if...** - You have one or more cardiovascular conditions such as high blood pressure, type 2 diabetes, chronic kidney disease, or heart failure, OR - You are a healthy adult with a normal BMI (18–29.9), a non-smoker, and in good general health (to serve as a comparison group) **You may NOT be eligible if...** - You have an active eye disease that affects the retina (such as glaucoma, cataracts affecting the view, or retinal swelling) - For healthy volunteers: you have a history of heart, kidney, liver, neurological, or metabolic disease; your blood pressure is 140/90 or higher; you take heart or blood pressure medications Talk to your doctor to see if this trial is right for you.