Ключевые слова: blur, blurred, blurry, defocused, eyeglasses, eyesight, eyewear, farsightedness, farssighted, focus, forest, glass, glasses, lens, magnifying, myopia, nearsight, nearsighted, nearsightedness, optic, optical, optician, optometrist, optometry, sharp, sight, spectacles, tree, view, vision,