Ключевые слова: abc, alphabet, alphabetical, art, background, care, character, chart, check, child, colorful, day, decoration, design, education, element, elementary, exam, eye, eyeglasses, eyesight, font, glasses, graphic, health, homework, illustration, language, learn, letter, little, medical, modern, ophthalmology, optical, optometrist, optometry, read, school, sight, sign, study, symbol, text, type, vision, white, word, write,