In around 40% of cases doctors have to perform surgery, which involves scraping the outside of the eye to remove the parasites and repairing the area through transplant.
It's actually going to be great for you. When I was still more interested in eye surgeries, there was a special substance that was used on the patient to keep the eyes open. It's still in some hospitals. What is it? Near-100% pure cocaine, baby!
spoiler
Mild disclaimer: the eye surgeries we're talking about are completely different than the eyeball-scraping kind.