Eye problems

I’ve had Sunshine for 26 years. He’s stopped eating a few times in his life but it’s never been a serious issue. This time he was on month 4 of not eating and I noticed it looked like his eye caps were stuck on after a shed. I took him to the vet and the vet tech took him to the back to try to remove them. When she came back out she said he had multiple layers, she was able to get them all off on one side but he still had a few on the other. The vet said to keep up his humidity and gave me some force feeding advice. It’s been about a month and now his eyes look like this. Should I take him back to the vet or did they cause this? 😳 (I put some eye ointment on them right before the photo, that’s why they’re shiny. Other wise they are very dry)