cellular response to absence of light dark adaptation The process by which the rods of the retina gradually become fully responsive to dim light when no longer exposed to bright light. The proteins RGS9-1 and Gb5L localize to the rod inner segment during dark adaptation, but to the rod outer segment during light adaptation. PMID:23555598 2015-01-09T20:35:46Z hjd GO:1990603 biological_process