Astigmatism Clinical Trial
Official title:
Axis Orientation Comparison of Two Silicone Hydrogel Toric Contact Lenses
Verified date | January 2019 |
Source | Alcon Research |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this research study is to compare the performance of two different types of Alcon soft toric study contact lenses to obtain information on study lens orientation.
Status | Completed |
Enrollment | 36 |
Est. completion date | January 26, 2018 |
Est. primary completion date | January 26, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Successful wear of soft contact lenses for vision correction in both eyes during the past 3 months for a minimum of 3 days per week and 8 hours per day - Astigmatism - Requires contact lenses - Best corrected visual acuity of 20/25 or better in each eye - Other protocol-specified inclusion criteria may apply Exclusion Criteria: - Any eye condition that contraindicates contact lens wear, as determined by the Investigator - Any eye surgery that contraindicates contact lens wear, as determined by the Investigator - Other protocol-specified exclusion criteria may apply |
Country | Name | City | State |
---|---|---|---|
United States | Alcon Investigative Site | Johns Creek | Georgia |
Lead Sponsor | Collaborator |
---|---|
Alcon Research |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Percentage of Lenses With Axis Orientation Within ±30 Degrees From the 90 Degree Axis (Ideal Location) | Each lens was classified based on whether the absolute difference between the axis location and 90° was less than or equal to 30° (ie, lens axis located between the 60° and 120° axis inclusive). Inferential testing was not planned for this primary effectiveness endpoint. | Day 1, 10 minutes after lens insertion, each product |
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