photopic vision


NOTE: This definition was changed in RP-16-17 Addendum 4. Deletions have a strike-through. New text is bold.

Vision mediated essentially or exclusively by the cones. It is generally associated with adaptation to a luminance of at least 5 cd/m2 3.4 cd/m2 (0.32 cd/ft2; 1.0 fL).

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