title: A model of accommodation.
mesh_terms: D000065:Accommodation, Ocular; D002924:Ciliary Body / Q000502:physiology; D005123:Eye / Q000294:innervation; D005246:Feedback; D006801:Humans; D007908:Lens, Crystalline / Q000502:physiology; D008954:Models, Biological; D013564:Sympathetic Nervous System / Q000502:physiology