Keratoconus is a disease that occurs in the cornea and most keratoconus can be cured. Corneal cure can be achieved through medication, physical and surgical methods, and some patients need corneal transplantation. As long as attention can be paid to early treatment, it can be cured. The cornea, like the glass, is a transparent tissue. Once a lesion occurs that affects light transmission, medically known as corneal opacity, it can be cured through medication or a variety of treatments that restore light transmission to the cornea. When light transmission is restored, vision will improve.