erythropsia

noun
er·​y·​throp·​sia | \ ˌer-ə-ˈthräp-sē-ə How to pronounce erythropsia (audio) \
variants: or erythropia \ ˌer-​ə-​ˈthrō-​pē-​ə How to pronounce erythropia (audio) \

Medical Definition of erythropsia

: a visual disturbance in which all objects appear reddish