Comparative Clinical Evaluation of Soft Toric Lens Designs
1 other identifier
interventional
42
1 country
1
Brief Summary
This study is evaluating the initial fit of toric contact lenses.
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 Feb 2012
Shorter than P25 for not_applicable
1 active site
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
February 1, 2012
CompletedFirst Submitted
Initial submission to the registry
March 9, 2012
CompletedFirst Posted
Study publicly available on registry
March 13, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2012
CompletedResults Posted
Study results publicly available
August 15, 2014
CompletedJune 19, 2018
May 1, 2015
2 months
March 9, 2012
October 30, 2013
June 18, 2018
Conditions
Outcome Measures
Primary Outcomes (2)
Phase I: Absolute Lens Rotation
At 1-min after lens insertion, lens orientation position was assessed on a scale of 0-180 degree on both eyes.
At 1-min after lens insertion during Phase I
Phase I: Absolute Lens Rotation
Lens orientation position as assessed on a scale of 0-180 on both eyes.
3 min after lens insertion during Phase I
Secondary Outcomes (2)
Phase I: Time to Lens Settling
5 minutes after lens insertion during Phase I
Phase I: Number of Blinks Until Settled
Baseline to 5 minutes during Phase I
Other Outcomes (1)
Phase II: Absolute Rotation
1-minute during Phase II
Study Arms (2)
etafilcon A / nelfilcon A / Filcon II 3
OTHERetafilcon A worn first then nelfilcon A worn second with Filcon II 3 worn third.
nelfilcon A / etafilcon A / Filcon II 3
OTHERnelfilcon A worn first then etafilcon A worn second with Filcon II 3 worn third.
Interventions
A daily wear contact lens
A daily wear contact lens
a daily disposable
Eligibility Criteria
You may qualify if:
- Be greater than or equal to 18 years old.
- Read, understand, and sign written Statement of Informed Consent.
- Appear able and willing to adhere to the instructions set forth in this clinical protocol.
- Be existing soft contact lens wearers (no extended wear in the last 3 months, but silicone hydrogels in daily wear are allowed).
- Require a visual correction in both eyes (monovision allowed but no monofit).
- Have a spherical contact lens requirement in the range -0.50D to -6.00D.
- Have astigmatism of between -0.50 and -2.00DC in both eyes.
- Monocular distance visual acuity correctable to 6/9 (0.2 logMAR) or better in each eye with best sphero-cylindrical refraction.
- Have normal eyes with no evidence of any ocular abnormality or disease. For the purposes of this study a normal eye is defined as one having: Clear cornea, No anterior segment disorder, No clinically significant slit lamp findings (i.e. oedema, staining, scarring, vascularisation, infiltrates or abnormal opacities), No other active ocular disease or recent surgery
You may not qualify if:
- Having worn RGP contact lenses within the last 30 days or PMMA contact lenses within the last 3 months.
- Clinically significant corneal oedema, corneal vascularisation, corneal staining, tarsal abnormalities, bulbar injection or any other abnormality of the cornea that would contraindicate contact lens wear.
- Extended lens wear in last 3 months.
- Any systemic or topical medications that will in the investigator's opinion affect ocular physiology or contact lens performance.
- Any systemic disease affecting ocular health.
- Abnormal lacrimal secretions.
- Keratoconus or other corneal irregularity.
- Pregnancy, lactating or planning a pregnancy at the time of enrolment.
- Participation in any concurrent clinical trial.
- Any previous anterior ocular surgery.
- Subjects who are known to have an infectious systemic disease (e.g., hepatitis, tuberculosis).
- Subjects who are known to have an immunosuppressive disease (e.g., HIV positive).
- Subjects who are known to have diabetes.
- Employees or family members of the Research site, Principal Investigator or study team.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Unknown Facility
Farnham, GU9 7EN, United Kingdom
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Katherine Osborn OD, MS FAAO
- Organization
- Johnson & Johnson Vision Care
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- GT60
- 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
March 9, 2012
First Posted
March 13, 2012
Study Start
February 1, 2012
Primary Completion
April 1, 2012
Study Completion
April 1, 2012
Last Updated
June 19, 2018
Results First Posted
August 15, 2014
Record last verified: 2015-05