Ocular Comfort and the "Aging" Lens (ERBIUM)

Ocular Comfort and the "Aging" Lens (ERBIUM)

The purpose of this trial was to evaluate the factors affecting comfortable contact lens wear and how those factors affect contact lens replacement frequency.

Eligible participants began Phase 1, following either Cycle A or Cycle B, and crossing over to the second cycle after completing the first. After the Phase 1 results were evaluated, eligible participants entered Phase 2. After Phase 2 results were evaluated, participants who consistently reported the highest and the lowest comfort scores entered Phase 3 and were defined as either survivors or strugglers.

Inclusion Criteria:

• At least 17 years of age.
• Ocular exam in the last two years.
• Currently wearing hydrogel or silicone hydrogel contact lenses on a daily wear basis with a monthly replacement schedule.
• Wearing contact lenses at least five days per week for a minimum of 10 hours each day.
• Able to wear lenses in the available power range with a best-corrected visual acuity of at least 20/32 in both eyes.
• Other protocol-defined inclusion criteria may apply.

Exclusion Criteria:

• Any ocular disease.
• Systemic condition that may affect a study outcome.
• Using any systemic or topical medications that may affect ocular health.
• Wears lenses on an extended or continuous wear schedule.
• Habitually wears multifocal lenses.
• Other protocol-defined exclusion criteria may apply.