scotopia
noun
sco·to·pia
skəˈtōpēə,
skōˈ-
plural -s
: vision in dim light with dark-adapted eyes believed to be mediated by the rods of the retina —opposed to photopia
scotopic
-ˈtäpik 
adjective 
Word History
Etymology
New Latin, from Greek skotos darkness + New Latin -opia
First Known Use
1915, in the meaning defined above