The purpose of this trial is to assess the performance of a Lotrafilcon A contact lens over a 3-month period.

Inclusion Criteria:

• On examination, have ocular findings considered to be "normal" and which would not prevent a subject 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 inclusion/exclusion criteria may apply.

Exclusion Criteria:

• Eye injury or surgery within twelve weeks immediately prior to enrollment for this trial.
• 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.
• Any use of medications for which contact lens wear would be contraindicated, in the opinion of the investigator.
• History of corneal refractive surgery.
• Other protocol inclusion/exclusion criteria may apply.

Duration of trial: 4 months

Due to the small number of subjects successfully completing this trial, the results should be interpreted with caution.