Assessing the Performance of Lotrafilcon A Lenses During a Three Month Period

Inclusion Criteria:

• On examination, have ocular findings considered to be "normal," and which would not prevent a participant from safely wearing contact lenses.
• Be willing and able to follow instructions and meet the schedule of follow-up visits as defined in the informed consent.
• Be able to wear the study lenses in the available powers.
• Currently wear contact lenses for a minimum of 5 days a week, and at least 8 hours a day.
• Other protocol-defined inclusion/exclusion criteria may apply.

Exclusion Criteria:

• Eye injury or surgery within twelve weeks of enrollment.
• Pre-existing ocular irritation that would preclude contact lens fitting.
• Currently enrolled in an ophthalmic clinical trial.
• Evidence of systemic or ocular abnormality, infection or disease likely to affect successful wear of contact lenses or use of their accessory solutions.
• History of corneal refractive surgery.
• Other protocol-defined inclusion/exclusion criteria may apply.