Ключевые слова: astigmatism, buttons, care, chart, clinic, concept, consultation, device, diagnosis, diagnostic, disease, doctor, equipment, examination, eyes, eyesight, fundus, health, hospital, illness, intraocular, measurement, medic, medical, medicine, modern, oculist, office, ophthalmic, ophthalmologic, ophthalmologist, ophthalmology, ophthalmotonometer, ophthalmotonus, optical, optician, optometrist, optometry, patient, pressure, screen, service, sick, stand, symptom, technology, test, tonometer, treatment, vision,