Rods

2-1-385

Special retinal receptor elements which are presumed to be primarily concerned with perception of light stimuli, when the eye is adapted to darkness.

Note: The rods probably play no part in colour stimulus discrimination (see "scotopic vision", 2-1-335).

Reference: C.I.E.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English