My daughter was always a busy reader, and still taking college courses towards another degree when Covid struck her in March 2020. She has been getting cognitive therapy from a speech therapist for over a year, the past several months it included listening to an audio book while reading to retrain her brain. This helped a lot. Have you tried this, or had it suggested yet? She is hoping to be able to tackle her last few classes by the end of 2022, but will take them one at a time with breaks in between...
Sue