Why do we need multi-focal reading eyeglasses?

[new eyeglasses]

Do you find that your vision get worse with the growth of age? That is maybe presbyopia, and our manufactures prepared special eyeglasses for you, bifocal and progressives, who allow the users to not just read in them but also look at faraway objects at the same time and with equal ease these reading eyeglasses are split into two divisions, the upper helps in distance vision, the lower helps in near vision.