Guide to Contact Lenses
- The conveniences of bifocal contact lens
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.More...