Evaluation of Two Silicone Hydrogel Lenses Over a One Month Period

Inclusion Criteria: * Current soft contact lens wearer who wear their habitual lenses for no less than 10 hours a day, 5 days a week * Have a need for correction in both eyes and be correctable to at least 20/40 distance vision in each eye while wearing trial lenses * Replace lenses on a weekly or longer schedule * Other protocol inclusion/exclusion criteria may apply Exclusion Criteria: * Requires concurrent ocular medication * Eye injury or surgery within twelve weeks immediately prior to enrollment * Evidence of systemic or ocular abnormality, infection, or disease likely to affect successful wear of contact lenses or use of their accessory solutions * Current soft toric lens wearers * Those who dispose of their soft lenses on a daily basis * Current NIGHT \& DAY® or Biofinity® lens wearers * Other protocol-defined inclusion/exclusion criteria may apply