Evaluation of the Performance of Monthly Replacement Sphere Lens Designs in Habitual Soft Contact Lens Wearers
1 other identifier
interventional
66
1 country
4
Brief Summary
The objective of the study is to evaluate the clinical performance of two monthly silicone hydrogel contact lenses in habitual wearers of frequent replacement (FRP) lenses when worn for one month.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Nov 2021
Shorter than P25 for not_applicable
4 active sites
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
First Submitted
Initial submission to the registry
October 29, 2021
CompletedFirst Posted
Study publicly available on registry
November 10, 2021
CompletedStudy Start
First participant enrolled
November 19, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 22, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
April 22, 2022
CompletedResults Posted
Study results publicly available
April 4, 2023
CompletedApril 4, 2023
March 1, 2023
5 months
October 29, 2021
March 9, 2023
March 9, 2023
Conditions
Outcome Measures
Primary Outcomes (1)
Subjective Ratings on Lens Handling on Removal
Subjective Ratings on Lens handling on removal (0-10 scale, 0.5 steps; 10=very easy, 0=very difficult)
Day 27
Study Arms (2)
Lens A, Then Lens B
EXPERIMENTALParticipants will wear Lens A for one month and then cross over to wear Lens B for one month.
Lens B, Then Lens A
EXPERIMENTALParticipants will wear Lens B for one month and then cross over to wear Lens A for one month.
Interventions
Eligibility Criteria
You may qualify if:
- Is at least 18 years of age and no older than 35 years, and has full legal capacity to volunteer;
- Has read and signed an information consent letter;
- Is willing and able to follow instructions and maintain the appointment schedule;
- Self-reports having a full eye examination in the previous two years;
- Self-reports spending on most days at least 6 hours cumulative (not necessarily in one single stretch) using digital devices such as a computer, laptop, tablet, e-reader, smartphone;
- Has healthy eyes with no health condition or medication that contra-indicate contact lens wear, in the opinion of the investigator;
- Anticipates being able to wear the study lenses for at least 8 hours a day, 6 days a week;
- Habitually wears soft frequent replacement contact lenses, for the past 3 months minimum (NOTE: the habitual contact lens brand is restricted such that no more than one third are to be the Biofinity brand (or their equivalent private label brand name) and no more than one third are to be an Alcon brand;
- Has refractive astigmatism no higher than -0.75DC in each eye;
- Can be fit and achieve binocular distance vision of at least 20/30 Snellen (Available lens parameters are sphere +6.00 to -6.00D, 0.25D steps).
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 or ocular 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 (4)
Complete Eye Care of Medina
Medina, Minnesota, 55340, United States
Sacco Eye Group
Vestal, New York, 13850, United States
Athens Eye Care
Athens, Ohio, 45701, United States
ProCare Vision Center
Granville, Ohio, 43023, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- José A. Vega, O.D., MSc., FAAO
- Organization
- CooperVision
Study Officials
- STUDY DIRECTOR
Lyndon Jones, PhD FCOptom
Centre for Ocular Research and Education
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 29, 2021
First Posted
November 10, 2021
Study Start
November 19, 2021
Primary Completion
April 22, 2022
Study Completion
April 22, 2022
Last Updated
April 4, 2023
Results First Posted
April 4, 2023
Record last verified: 2023-03