Problems common to older dogs and elderly humans.
D000375:Aging / Q000502:physiology*; D000818:Animals; D001522:Behavior, Animal / Q000502:physiology*; D003316:Corneal Diseases / Q000188:drug therapy / Q000209:etiology / Q000662:veterinary*; D004283:Dog Diseases / Q000188:drug therapy / Q000209:etiology*; D004285:Dogs / Q000502:physiology*; D006801:Humans