Ключевые слова: aged, aging, amblyopia, animal, animal head, animal hospital, blind, blind in one eye, blindness, canine, care, cataract, clinic, closeup, diagnosis, disabled, disease, doctor, dog, domestic, examining, eye, eye diseases, health, hospital, illness, isolated, lens, mammal, medical exam, medicine, old, one eye, ophthalmology, pedigree, people, pet, physical impairment, protection, purebred dog, rescue, research, senior, sick, treatment, vertebrate, veterinarian, veterinary, veterinary medicine, white,