Following are slides I created for an introductory to accessibility presentation I have given to colleagues.
This introductory presentation included a hands on practical session using the NVDA screenreader software to take a look at various websites and understand their accessibility strengths and weaknesses.
https://www.youtube.com/watch?v=Bhj5vs9P5cw&t=40s
https://commonslibrary.parliament.uk/research-briefings/cbp-9602/
https://www.nhs.uk/conditions/vision-loss/