Vision contact lenses allow both distant and near objects to be in focus at the same time. The design places both near and distance vision correction in concentric rings instead of top/bottom on the lens. A vision lens resembles a bull's-eye with its concentric circles, with each of the circles providing different aspects of the vision correction.
Low Vision Aids Help Make Your Life More Active Low vision can be caused by any number of reasons. Genetics can play a part, such as the low vision that is common in albinism.
A contact lens is used either for therapeutic reasons, corrective purposes or as a cosmetic tool. With the recent advances in the manufacturing process of contact lenses, anybody can wear them, whether it is a bifocal, daily disposable or astigmatism-correcting lens.