Is it common for PRK for astigmatism to only last 3 years?

January 22, 2018
Asked By:jjbeingreal in Georgia, GA

I had PRK on one eye so that one eye is farsighted and one is near sighted at the age of 45 since i had astigmatism but in 4 years i had to go back to glasses. Is this normal? I thought it would last forever ,not a few years .