Daily Wear Comparison of Enhanced and Non-Enhanced Silicone Hydrogel Lenses

Inclusion Criteria: * Able to wear contact lenses for a minimum of 5 days a week, at least 8 hours a day * On exam have ocular findings that are considered normal and would not prevent the safe wear of contact lenses * Other protocol-defined 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 * Any active corneal infection * Any use of medications for which contact lens wear would be contraindicated * History of corneal refractive surgery * Wears toric contact lenses * Other protocol-defined inclusion/exclusion criteria may apply