Contact Lenses 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. Bifocal and Multifocal Contact Lenses Fortunately for those who don’t like the look, feel or inconvenience of reading glasses, there is another option. Bifocal and multifocal lenses are also available in contact lenses in both soft and rigid varieties. 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. Orthokeratology What if you could wear contacts while sleeping, and then see clearly during the day without them? It might sound like magic, but it’s a time-tested reality called ortho-k. Toric Contact Lenses for Astigmatism “I can’t wear soft contacts; I have astigmatism.” This once-true statement is now simply a myth.