Improved optic nerve conduction with ingestion of ice water.
D003080:Cold Temperature; D004326:Drinking; D006801:Humans; D008297:Male; D008875:Middle Aged; D009431:Neural Conduction; D009900:Optic Nerve / Q000502:physiology*; D014786:Vision Disorders / Q000628:therapy; D014792:Visual Acuity