Clinical Applications of Advanced Ophthalmic Imaging

This trial uses advanced eye imaging technology to study connections between eye health and brain conditions like Alzheimer's disease, multiple sclerosis, diabetes, and stroke. **You may be eligible if...** - You are a healthy volunteer, OR you have been diagnosed with Alzheimer's disease, mild cognitive impairment, multiple sclerosis, dry eye, myopia, diabetes, or stroke - You can keep your eye open for imaging - For the interventional phase: you are at least 18 years old, have clear eye lenses, vision of 20/80 or better, and meet specific genetic and blood test criteria **You may NOT be eligible if...** - You cannot read and sign the consent form - You cannot receive ophthalmic imaging or tolerate bright light - For the interventional phase: you have an active eye disease or had eye surgery or injury within the past 6 months Talk to your doctor to see if this trial is right for you.