Bifocal and Multifocal Contact Lenses If you need correction for presbyopia but dislike the idea of bifocal eyeglasses, you have many contact lens options. Gas Permeable (GP) Contact Lenses These rigid lenses aren’t as popular or well-known as soft lenses, but they offer the advantages of durability, crisp vision and high oxygen permeability. Performance and Sport Sunglasses Activity-specific lenses can enhance whatever activities you enjoy. Contact Lenses for the "Hard-to-Fit" Patient Challenges such as astigmatism, presbyopia, keratoconus and dry eyes needn’t be a barrier to contact lens wear, but they do require more time and patience. Toric Contact Lenses for Astigmatism “I can’t wear soft contacts; I have astigmatism.” This once-true statement is now simply a myth.