optotype
There are 2 repositories under optotype topic.
ballantynedewolf/WolfChart
WolfChart - the professional eye chart in your browser
Chaosikaros/OVVA
Omnidirectional Virtual Visual Acuity (OVVA) is a new user-centric VR clarity metric. OVVA measures and compares the virtual visual acuity of the central, focal area of a VR HMD and environments and their degradation in the noncentral areas.