Bifocal contact lens is a relatively new member in the family of bifocals. For their special designs and features, bifocal contact lens did not come into being until 1930s. But the first bifocal contact lenses are not ideal alternates for many people. And many people did not bear very good passion for these newly designed bifocal contact lenses. This is because of the backwardness of technologies and this has caused a lot uncomfortable to wearers. However, with the development of technologies in bifocals, great achievements have been made in bifocal contact lens. Especially, since the year 1982, new technologies have solved all the problems in bifocal contact lenses. Hence bifocal contact lenses have become very popular among the masses. Now many people make bifocal contact lenses as their first choice.
Bifocal contact lens allows wearers to see objects both far and near. Because the bifocal contact lens are the results of very complex designs. Wearers of bifocal contact lenses can move their eyes freely, either upward or downward. Wherever the eyes moves, some adjustments can be automatically made in bifocal contact lenses.
Generally speaking, the materials of bifocal contact lenses can be divided into to categories: rigid gas permeable and soft toric lenses. Principally, there are no differences between the two categories. And consumers can also find disposal bifocal contact lens at the market. This bifocal contact lens can be replaced at intervals.
Some wearers of bifocal contact lens worry whether the prescription can be adjusted with the change of vision. In fact it is no need to worry that. For bifocal contact lens can be adjusted at any time with the change of the need of the wearers.