PRK day 7 - contact bandage was put back on because I have epithelium not healed. Is this normal?

I had PRK surgery 7 days ago, I went to my second follow up appt. yesterday and the doctor took out the contact bandage, he said there was epithelium left around the eye and I was going to feel like a had dirt in my eye which I did, my eye got very watery and burning like sensation. He put the contact back on and said to leave it for two more days. I am still using the steroid drops and today they started to hurt my eye when I apply them. I feels like something is stabbing my eye.