Effect of PCSK9 Inhibitor on Retinal Microvessels in Patients With Coronary Heart Disease After Intensive Lipid-lowering Therapy

Exclusion Criteria

• •1. Those who are unable to cooperate with the examination;
• •2. Poor imaging quality of refractive interstitial opacity;
• •3. Macular edema or complicated with macular membrane and senile macular degeneration;
• •4. Have a history of previous fundus surgery;
• •5. Those with eye diseases that can cause changes in the microvessels of the fundus;
• •6. Abnormal elevated intraocular pressure;
• •7. Moderate or above refractive error (≥ ± 3 diopters)
• •8. People with cognitive impairment, material dependence, and serious mental illness;
• •9. Those who do not cooperate with follow-up;
• •10. Those who participate in other clinical trials at the same time