Accommodative lens movement in holosteans (Amia calva and Lepisosteus osseus oxyrus) and in the sea lamprey (Petromyzon marinus).
D000065:Accommodation, Ocular; D000818:Animals; D005399:Fishes / Q000502:physiology*; D007798:Lampreys / Q000502:physiology*; D007908:Lens, Crystalline / Q000502:physiology*; D012029:Refraction, Ocular