Who Should Wear Bifocal Lens ？
the English term :Bifocal lens, is a multi-focal length lens, different from traditional reading glasses and bifocal reading glasses, bifocal lens do not have the fatigue of bifocal use when the eye must constantly adjust the focal length, and there is no obvious dividing line between the two focal lengths. Comfortable to wear, the appearance is more beautiful, and gradually become the best choice for presbyopia people.