Rapamycin microemulsion injection for eyes and preparation method and application thereof

The invention discloses rapamycin microemulsion injection for eyes and a preparation method and application thereof. In the injection, rapamycin is taken as an active ingredient and is added with a pharmaceutically acceptable carrier, and each 1,000ml of preparation contains 0.05 to 20g of rapamycin. The microemulsion injection for eyes has low cost and high stability, does not have obvious irritation and toxic or side effect on the eyes, can be used for treating retinal degenerative diseases, and particularly has obvious effect of treating age-related macular degeneration disease. The treatment effect of the injection is provided on the basis of breakthrough and discovery of a pathogenic mechanism, and the rapamycin microemulsion injection has profound significance for treating the diseases.