Ключевые слова: acute, advance, background, blind, care, clinic, cornea, corneal, diagnosis, diagnostic, disease, doctor, examination, eye, health, human, iris, lamp, lens, looking, man, medical, medicine, oculist, ophthalmologist, ophthalmology, optical, optician, optometrist, optometry, patient, pterygium, see, sight, slit, specs, test, vision, visual,