A Comparison of Two Daily Disposable Contact Lenses
The Comparative Clinical Performance of the Etafilcon A Lens and the DAILIES AquaComfort Plus Lens
1 other identifier
interventional
60
1 country
1
Brief Summary
This study seeks to evaluate the clinical performance of a recently improved daily disposable contact lens to an established daily disposable contact lens that contains a wetting agent.
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 Dec 2007
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
December 1, 2007
CompletedFirst Submitted
Initial submission to the registry
December 21, 2007
CompletedFirst Posted
Study publicly available on registry
January 24, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2008
CompletedResults Posted
Study results publicly available
August 23, 2012
CompletedMay 21, 2015
May 1, 2015
3 months
December 21, 2007
October 20, 2011
May 5, 2015
Conditions
Outcome Measures
Primary Outcomes (2)
Visual Acuity
Measured using high contrast and low contrast vision charts without the use of spectacles (glasses) or refraction equipment (for contact lens wearers). Values are on the logMar scale where lower values (\< 0) refer to 'better' values of sight. These scores are converted from a Snellen eye chart examination.
2-week
Subjective Lens Comfort
Subjects were asked to rate lens performance on a scale of 0 to 100 point scale (0= "Extremely poor" or "Cannot use lenses" and 100= "Excellent" or "Highly impressed with these lenses overall"). The average score is reported. A factor analysis was used to identify the questions pertaining to product performance, a factor loading of 0.4 or greater was used.
2-week
Secondary Outcomes (2)
Subject-reported Overall Product Performance
2-week
Optimum Lens Fit
Baseline, 1-week, 2-week
Study Arms (2)
etafilcon A first nelfilcon A second
OTHERetafilcon A worn daily during week 1, nelfilcon A worn daily for week 2
nelfilcon A first, etafilcon A second
OTHERnelfilcon A worn daily during week 1, etafilcon A worn daily for week 2
Interventions
contact lens worn daily for one week (first or second week depending on arm)
Contact lens worn daily for one week (first or second week depending on arm)
Eligibility Criteria
You may qualify if:
- They are of legal age (18 years) and capacity to volunteer.
- They understand their rights as a research subject and are willing to sign a Statement of Informed Consent.
- They are willing and able to follow the protocol.
- They would be expected to attain at least 6/9 (20/30) in each eye with the study lenses.
- They are able to wear contact lenses with a back vertex power of -1.00 to -6.00DS.
- They have a maximum of 1.00D of refractive astigmatism (i.e. ≤ 1.00 DC).
- They have successfully worn contact lenses within six months of starting the study. -
You may not qualify if:
- They have an ocular disorder which would normally contra-indicate contact lens wear.
- They have a systemic disorder which would normally contra-indicate contact lens wear.
- They are using any topical medication such as eye drops or ointment.
- They are aphakic.
- They have had corneal refractive surgery.
- They have any corneal distortion resulting from previous hard or rigid lens wear or has keratoconus.
- They are pregnant or lactating.
- They have grade 2 or greater of any of the following ocular surface signs: corneal oedema, corneal vascularisation, corneal staining, tarsal conjunctival changes or any other abnormality which would normally contraindicate contact lens wear.
- They have any infectious disease (e.g. hepatitis) or any immunosuppressive disease (e.g. HIV).
- They have diabetes.
- They have taken part in any other clinical trial or research, within two weeks prior to starting this study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Johnson & Johnson Vision Care, Inc.lead
- University of Manchestercollaborator
Study Sites (1)
Eurolens Research, The University of Manchester Dpt. of Optometry & Neuroscience
Manchester, M60 1QD, United Kingdom
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Kurt Moody, OD
- Organization
- Johnson & Johnson Vision Care
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
December 21, 2007
First Posted
January 24, 2008
Study Start
December 1, 2007
Primary Completion
March 1, 2008
Study Completion
March 1, 2008
Last Updated
May 21, 2015
Results First Posted
August 23, 2012
Record last verified: 2015-05