Clinical Evaluation of Two Daily Disposable Lenses in Sphere Design
1 other identifier
interventional
41
1 country
1
Brief Summary
This was a single-blind, interventional, prospective, direct refit, bilateral wear, fixed-sequence crossover study.
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 Aug 2022
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
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 8, 2022
CompletedFirst Submitted
Initial submission to the registry
August 23, 2022
CompletedFirst Posted
Study publicly available on registry
August 25, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 12, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
October 12, 2022
CompletedResults Posted
Study results publicly available
November 28, 2023
CompletedNovember 28, 2023
October 1, 2022
2 months
August 23, 2022
October 11, 2023
November 9, 2023
Conditions
Outcome Measures
Primary Outcomes (1)
Lens Fit Acceptance
Measured on a scale of 0-4 (0 = Should not be worn, 1 = Borderline but unacceptable, 2 = Min. acceptable, early review, 3 = Not perfect but OK to dispense, 4 = Perfect) as assessed by an investigator.
15 minutes
Study Arms (2)
Lens A
EXPERIMENTALAll participants wore Lens A for 15 minutes (Period 1)
Lens B
EXPERIMENTALAll participants wore Lens B for 15 minutes (Period 2)
Interventions
Eligibility Criteria
You may qualify if:
- Is at least 18 years of age and has full legal capacity to volunteer.
- Has read and signed an information consent letter.
- Self-reports having a full eye examination in the previous two years.
- Anticipates being able to wear the study lenses for the required time of the study.
- Is willing and able to follow instructions and maintain the appointment schedule.
- Has refractive astigmatism no higher than -0.75 DC.
- Can be fit with the available lens parameters (sphere +8.00 to -10.00D).
- Can achieve binocular distance vision of at least 20/30 Snellen (logMAR 0.18) with the study contact lenses.
You may not qualify if:
- Is participating in any concurrent clinical or research study.
- Has any known active ocular disease and/or infection that contraindicates contact lens wear.
- Has a systemic condition that in the opinion of the investigator may affect a study outcome variable.
- Is using any systemic or topical medications that in the opinion of the investigator may affect contact lens wear or a study outcome variable.
- Has known sensitivity to the diagnostic sodium fluorescein used in the study.
- Self-reports as pregnant, lactating or planning a pregnancy at the time of enrolment.
- Has undergone refractive error surgery or intraocular surgery.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Dr. Ruben Velazquez Private Practice
Mexico City, 06700, Mexico
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- José A. Vega OD, MSc, FAAO
- Organization
- CooperVision, Inc.
Study Officials
- PRINCIPAL INVESTIGATOR
Rubén V Guerrero, MSc., FIACLE
Dr. Ruben Velazquez Private Practice
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 23, 2022
First Posted
August 25, 2022
Study Start
August 8, 2022
Primary Completion
October 12, 2022
Study Completion
October 12, 2022
Last Updated
November 28, 2023
Results First Posted
November 28, 2023
Record last verified: 2022-10