Ключевые слова: abortion, background, block, blocks, building, care, cataract, clinic, concept, creative, cube, diagnosis, disease, disorder, doctor, eye, hand, health, hospital, intraocular, isolated, letter, medical, medicine, men, message, nerve, note, ophthalmologist, ophthalmology, patient, research, retina, retirement, science, sign, stethoscope, symbol, text, treatment, typography, vision, white, wood, word, written,