Ключевые слова: allergy, art, background, ball, blood, care, circle, color, concept, conjunctivitis, curve, design, dry, eye, eyeball, eyesight, flat, graphic, health, human, icon, illustration, infection, iris, isolated, lens, look, medical, medicine, optical, pictogram, pop, popart, poster, pupil, red, retro, scary, see, sight, sign, style, symbol, vein, view, vintage, vision, watch, web,