1This article says it’s likely fillers and not radical cosmetic surgery: https://radaronline.com/p/jim-carrey-plastic-surgery-unrecognizable-new-face-explained/
It's the eyes. He doesn't look like himself anymore. This was a mistake, if he did it to get more work. He looks like a generic background character.
Reminds me of Jennifer Grey, how she blew her entire career by getting a nose job after being cast as the love interest for Patrick Swayze in Dirty Dancing.