Ключевые слова: 7, 21, 24, 365, 2021, advertising, agenda, aid, astigmatism, background, black, blind, blur, blurred, calendar, celebrations, chart, check, clear, concept, date, day, discount, distortion, doctor, element, event, examination, eye, eye examine, eye test, eye wear, eyes, health, label, new, occasion, offer, organizer, plan, product, sale, shop, shopping, sign, tag, text, time, white, year,