mesopic
adjective
me·so·pic
| \ me-ˈzäp-ik
, mē-ˈsōp-
\
, mē-ˈsōp-
\
Medical Definition of mesopic
1
: having a face on which the root of the nose and central line of the face project moderately
2
: of or relating to vision under conditions of intermediate levels of illumination
mesopic vision tests made in a cloudy moonlight illumination — Science News Letter