The Royal National Institute of Blind People (RNIB) publishes a devkit to help video game designers design for sight loss:
https://github.com/RNIB-MediaAndCulture/Gaming_Devkit/blob/main/Devkit.md
Part of their Design for every gamer (DFEG) initiative to 'create a better gaming world for people with sight loss and a rallying cry to the industry to start making real change'.
