Clinical Comparison of Two Silicone Hydrogel Toric Lenses in the US
1 other identifier
interventional
50
0 countries
N/A
Brief Summary
The purpose of this trial is to compare the performance of two different contact lenses for contact lens wearers with astigmatism.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Oct 2009
Shorter than P25 for not_applicable
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2009
CompletedFirst Submitted
Initial submission to the registry
November 2, 2009
CompletedFirst Posted
Study publicly available on registry
November 4, 2009
CompletedResults Posted
Study results publicly available
November 17, 2010
CompletedJune 29, 2012
January 1, 2012
1 month
November 2, 2009
September 29, 2010
June 26, 2012
Conditions
Outcome Measures
Primary Outcomes (1)
Overall Vision
Overall vision, as interpreted by the subject and reported by the subject on a questionnaire as a single, retrospective evaluation of one week's wear time. Overall vision was measured on a 10-point scale, with 1 being poor and 10 being excellent.
After 1 week of wear
Study Arms (2)
Lotrafilcon B / Comfilcon A
OTHERLotrafilcon B silicone hydrogel, toric, soft contact lenses worn for one week, followed by Comfilcon A silicone hydrogel, toric, soft contact lenses worn for one week.
Comfilcon A / Lotrafilcon B
OTHERComfilcon A silicone hydrogel, toric, soft contact lenses worn for one week, followed by Lotrafilcon B silicone hydrogel, toric, soft contact lenses worn for one week.
Interventions
Silicone hydrogel, toric, soft contact lens
Silicone hydrogel, toric, soft contact lens
Eligibility Criteria
You may qualify if:
- Have a current spectacle prescription, preferably within 6-9 months.
- Currently wearing toric soft contact lenses in both eyes with at least 1 month experience wearing current brand for daily wear.
- Be correctable to at least 20/40 distance visual acuity in each eye while wearing trial lenses in the parameters available for this trial.
- Have acceptable or optimal fit for each eye at the dispense of each pair of study lenses.
You may not qualify if:
- Eye injury or surgery within twelve weeks immediately prior to enrollment for this trial.
- Currently enrolled in any Clinical Trial.
- Evidence of systemic or ocular abnormality, infection or disease which is likely to affect successful wear of contact lenses or use of their accessory solutions as determined by the investigator.
- Any use of medications for which contact lens wear could be contraindicated as determined by the investigator.
- Currently wearing soft toric contact lenses as extended wear.
- Currently wearing either of the products to be worn in the study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- CIBA VISIONlead
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Priya Janakiraman, OD, FAAO / Head, Global Clinical Affairs
- Organization
- CIBA VISION
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 2, 2009
First Posted
November 4, 2009
Study Start
October 1, 2009
Primary Completion
November 1, 2009
Study Completion
November 1, 2009
Last Updated
June 29, 2012
Results First Posted
November 17, 2010
Record last verified: 2012-01