Retinal OCTA for Microvascular Dysfunction Evaluation and Outcome Prediction in MINOCA Patients

Inclusion Criteria: * Age: Patients aged \> 18. Diagnosis: MINOCA Group: Patients diagnosed with Myocardial Infarction with Non-Obstructive Coronary Arteries (MINOCA) confirmed by coronary angiography. ACS Group: Patients with Acute Coronary Syndrome (ACS) with significant coronary artery stenosis which are matched with MINOCA patients for gender, age, LVEF at admission and chronic kidney disease stage. Healthy Controls: Age and gender-matched healthy individuals with no history of cardiovascular disease. Consent: Written informed consent obtained from all participants. Feasibility: Ability to undergo OCTA and other required imaging procedures. Exclusion Criteria: * Ocular Conditions: Any significant ocular disease (e.g., glaucoma, diabetic retinopathy, macular degeneration) that could interfere with OCTA imaging quality. Severe Comorbidities: Presence of severe systemic diseases, such as advanced renal failure, active cancer, or severe liver disease, which might impact study participation. Coronary Artery Disease or Myocarditis: For the MINOCA group, patients with coronary artery stenosis \> 50% or functionally significant (FFR \<0.8) or patients with Myocarditis detected through CMR will be excluded Pregnancy: Pregnant or breastfeeding women. Inability to Comply: Patients unable or unwilling to comply with study procedures, including follow-up visits.