Evaluation of the Effectiveness of Two Marketed Multi-Purpose Solutions for Silicone Hydrogel Contact Lenses - Study 2

Inclusion Criteria:

• Wear single vision sphere silicone hydrogel contact lenses (CooperVision™ Biofinity®, Alcon® Air Optix® Aqua, Bausch+Lomb® PureVision™ or ACUVUE® Oasys™) on a daily wear basis (a minimum of 8 hours per day, 5 days a week) for at least one month prior to Visit 1;
• Willing to wear lenses on a daily wear basis (a minimum of 8 hours per day, 5 days a week) for the duration of the study, and wear lenses for 16 hours on two days during the study;
• Must have habitually used a Biguanide preserved multi-purpose solution (other than RevitaLens) for at least 30 days prior to Visit 1;
• Vision correctable to 20/30 Snellen (feet) or better in each eye at distance with pre-study contact lenses at Visit 1;
• Have access, capability and willingness to review and answer text messages;
• Read, sign, and date IRB/IEC approved informed consent and privacy document before enrollment;
• Willing to follow the study procedures and visit schedule;
• Other protocol-defined inclusion criteria may apply.

Exclusion Criteria:

• Need to wear lenses on an extended wear (i.e overnight) basis during the study;
• Known sensitivity or intolerance to Biguanide, polyquaternium-1 (POLYQUAD), Alexidine or ALDOX preserved lens care products;
• Monocular (only one eye with functional vision) or fit with only one lens;
• Wearing toric or multifocal contact lenses or fit with monovision;
• Use of additional lens care products other than a Biguanide preserved multipurpose solution such as daily or enzyme cleaners within the one week prior to Visit 1;
• Use of topical ocular over-the-counter (OTC) or prescribed topical ocular medications, with the exception of rewetting drops, within 7 days prior to Visit 1;
• Abnormal ocular condition observed during the Visit 1 slit-lamp examination;
• Current or history of ocular infections or severe inflammation within 6 months prior to Visit 1;
• Ocular surgery within the 12 months prior to Visit 1;
• Participation in any other clinical trial within 30 days of enrollment;
• Other protocol-defined exclusion criteria may apply.