Ключевые слова: astigmatism, blind, blue, care, case, chart, check, coloured, contact, correction, diagnosis, diagnostic, disease, doctor, exam, examining, eye, eyesight, eyewear, goggles, health, health care, lens, letter, looking, medical, medicine, myopia, neat, oculist, ophthalmologist, ophthalmology, optical, optician, optometry, prevention, protection, read, reading, science, scientific, see, sight, spectacle, test, vision, visual, wear, white,