Silicone Hydrogel Contact Lens Clinical and Comfort Benefits With a Multi-Purpose Disinfecting Solution

Prior to the 30-day study period, participants will be fitted with study lenses in a masked
manner and undergo a run-in period of 4-8 days to adjust to the randomized lenses.

Inclusion Criteria:

- Sign informed consent.

- Currently wearing weekly/monthly contact lenses on a daily wear basis, as specified
in protocol.

- Willing to wear contact lenses on a daily wear basis for the duration of the study.

- Currently using a multi-purpose solution, as specified in protocol.

- Vision correctable to 20/30 (Snellen) or better in each eye at distance at Visit 1.

- Willing to follow the study procedures and visit schedule.

- Other protocol-defined inclusion criteria may apply.

Exclusion Criteria:

- Currently wearing any Air Optix or Acuvue brand of silicone hydrogel contact lenses.

- Currently using any Opti-Free brand of multi-purpose solution.

- Must wear contact lenses on an extended wear (overnight) basis during the study.

- Known sensitivity or intolerance to POLYQUAD or ALDOX preserved lens care products.

- Monocular (only one eye with functional vision), fit with only one lens, or
monovision modality of wear.

- Use of additional lens care products other than a multi-purpose solution within 7
days prior to Visit 1.

- Use of topical ocular over-the-counter (OTC) or prescribed topical ocular
medications, with the exception of contact lens rewetting drops, within 7 days prior
to Visit 1.

- Any abnormal ocular condition observed during the Visit 1 slit-lamp examination.

- Current or history of ocular infections (i.e., microbial keratitis, conjunctivitis)
or severe inflammation (i.e., iritis, infiltrates) within the 6 months prior to Visit
1.

- Ocular surgery within the 12 months prior to Visit 1.

- Any systemic diseases at Visit 1 (including allergies, respiratory infections or
colds) that affect the eye and could be exacerbated by use of contact lenses or
contact lens solutions.

- Participation in any clinical study within 30 days of Visit 1.

- Other protocol-defined exclusion criteria may apply.