Judged: two independent readers; copy check clear.
scotopic vision
scotopic vision Scotopic vision is visual functioning under very low light, such as in darkness or nighttime conditions.
Scotopic vision is visual functioning under very low light, such as in darkness or nighttime conditions. It relies on rod cells in the retina, which are especially light-sensitive and are most responsive to wavelengths around 507 nm toward the blue part of the spectrum.