Continuing with the tech for visual issues the RNIB tech guy suggested narrator for windows. This is where the software speaks to you and describes what is on the computer screen. Looks good if you are blind or severely visually impaired. You need to have windows 365 to use it meaning you have to buy it.
However, the visual issues after brain injury are very diverse and it is the screen time itself that causes the problem. As you know by now you need to use a computer to do most things and if you can reduce the time spent writing stuff out there is less visual stress and less fatigue.
Google Docs has a FREE tool where you can write a document, letter or anything down by just talking into your microphone.
There are other software packages and apps than can translate speech into text but these don't allow you to punctuate and edit the document or work with it dually by speech and keyboard at the same time.
I just tried it out and it works really well.
Here's a video with a demo