Investigation of the Clinical Performance of Silicone Hydrogel Contact Lenses During Continuous Wear

Inclusion Criteria: Has had an oculo-visual examination in the last 2 years. Is correctable to at least 6/7.5 distance visual acuity in each eye with spherical contact lenses. Is a current soft contact lens wearer. Has no clinically significant anterior eye findings. Has no other active ocular disease. Exclusion Criteria: Has any systemic disease that might interfere with contact lens wear Is using any systemic or topical medications that will affect ocular health. Has any pre-existing ocular irritation that would preclude contact lens fitting. Has any ocular pathology or severe insufficiency of lacrimal secretion (dry eyes) that would affect the wearing of contact lenses. Has undergone corneal refractive surgery. Is pregnant, lactating or planning a pregnancy.