The effect of sympathetic nerve impulses on the ciliary muscle.
D000065:Accommodation, Ocular; D000200:Action Potentials; D001341:Autonomic Nervous System / Q000502:physiology*; D002924:Ciliary Body; D005123:Eye; D006801:Humans; D014602:Uvea / Q000502:physiology*
ACCOMMODATION, OCULAR; AUTONOMIC NERVOUS SYSTEM/physiology; UVEA/physiology