Screen ghosting/burn in on 1st gen 9.7 inch ipad pro.

Hello! I own a 1st gen ipad pro (9.7 inch) and I use it for a few different tasks, including playing games. The games I play are fairly heavy. After playing for around 15 minutes in a game that has an icon that is the same for the most of or the entire session and exit the app, I can see a ghost image of that icon still on the screen. This has happened multiple times and usually goes away after 30-60 minutes. I am wondering if there is anything I can do to fix/get rid of it or if I should consider replacing my device. Thanks in advance.