Ocular Comfort and the "Aging" Lens (ERBIUM)
Refractive Error
About this trial
This is an interventional treatment trial for Refractive Error
Eligibility Criteria
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.
Sites / Locations
- University of Waterloo
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Other
Other
Other
Other
Phase 1: Habitual no Replacement, then Habitual Replacement
Phase 1: Habitual Replacement, then Habitual no Replacement
Phase 2: Lotrafilcon B Replacement
Phase 3: Lotrafilcon B Replacement Replacement
Contact lenses per participant's habitual prescription worn for 30 days with no replacement, followed by contact lenses per habitual prescription worn for 30 days with a replacement pair dispensed at Day 28.
Contact lenses per participant's habitual prescription worn for 30 days with replacement pair dispensed at Day 28, followed by contact lenses per habitual prescription worn for 30 days with no replacement.
Contact lenses worn for 56 days with replacement pair dispensed at Day 28.
Contact lenses worn for 43 days with replacement pair dispensed at Day 1 and Day 28.