nearsighted? need reading glasses? new developments in lens technology ensure red a solution to almost every vision problem. talk to your eye doctor about what''s available (costs vary).rigid gas-permeables recommended for those cat with high degrees of corneal eye astigmatism, rgps are firm plastic lenses with microscopic slits that allow more oxygen to reach the eye. rgps have a greater resistance to bacteria because they don''t contain water. improved extended-wear materials also guarantee greater durability, sharper vision, comfort and cheaper maintenance costs. allow yourself contact and lens a week or two to get used to these slightly stiff lenses.bifocals these contact correct presbyopia, a kind of farsightedness that usually occurs around age 40. there are two types:

nearsighted? need reading glasses? new developments in lens technology ensure red a solution to almost every vision problem. talk to your eye doctor about what''s available (costs vary).rigid gas-permeables recommended for those cat with high degrees of corneal eye astigmatism, rgps are firm plastic lenses with microscopic slits that allow more oxygen to reach the eye. rgps have a greater resistance to bacteria because they don''t contain water. improved extended-wear materials also guarantee greater durability, sharper vision, comfort and cheaper maintenance costs. allow yourself contact and lens a week or two to get used to these slightly stiff lenses.bifocals these contact correct presbyopia, a kind of farsightedness that usually occurs around age 40. there are two types: