The TearAD Study: Tear Biomarkers for Alzheimer's Disease (AD) Screening and Diagnosis

The TearAD study explores whether proteins found in tears can be used to screen for or diagnose Alzheimer's disease — potentially offering a simple, non-invasive alternative to brain scans or spinal fluid tests. **You may be eligible if...** - You are over 50 years old - You are either a healthy person with no memory complaints, or someone with memory concerns or a diagnosis being evaluated for Alzheimer's - You have had recent brain imaging (MRI, CT, or PET) or cerebrospinal fluid testing - You have a MMSE (memory test) score of 17 or higher - You are able to come back for follow-up visits over up to 24 months **You may NOT be eligible if...** - You have a serious medical or psychiatric condition that would interfere with participation - You have significant cognitive impairment (MMSE below 17) - You are unable to attend follow-up visits Talk to your doctor to see if this trial is right for you.