scotopic UK /skə(ʊ)ˈtɒp.ɪk/US /skəˈtoʊ.pɪk/ adjective1 •Relating to or denoting vision in dim light, believed to involve chiefly the rods of the retina.In the ray of torchlight, silvery white seagulls with scotopic eyes that could see in the darkness, were piercing the green water. — 2006