Evaluation of Astigmatic Contact Lenses
1 other identifier
interventional
267
1 country
17
Brief Summary
Randomized, double-masked, 5-visit, bilateral dispensing, parallel group study to demonstrate that the investigational contact lens meets the design requirements related to corneal staining, lens fit, visual acuity and rotational performance as well as subjective comfort and handling. Subjects will wear the contact lenses for a total of 28-36 days.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Mar 2017
Shorter than P25 for not_applicable
17 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
Study Start
First participant enrolled
March 1, 2017
CompletedFirst Submitted
Initial submission to the registry
March 16, 2017
CompletedFirst Posted
Study publicly available on registry
March 22, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 4, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
May 4, 2017
CompletedResults Posted
Study results publicly available
July 10, 2018
CompletedJuly 10, 2018
June 1, 2018
2 months
March 16, 2017
April 30, 2018
June 8, 2018
Conditions
Outcome Measures
Primary Outcomes (5)
Monocular Distance Visual Acuity (VA)
Monocular distance visual acuity was measured with the study lens using a Snellen distance VA chart at an optical distance of 20 feet throughout the study. Observed VA data collected during all planned visits were dichotomized whether VA was "20/40 or better (acceptable VA)" or "worse than 20/40 (unacceptable VA)". VA of 20/40 with a negative modifier was considered worse than 20/40. The number of eye with acceptable VA was reported for each study lens.
Up to 4-Week Follow-up
Lens Fit Acceptance
Lens fit characteristics were assessed using slit lamp with respect to lens position, movement and tightness. Each lens fit collected at fitting (visit 1) was judged being either acceptable or unacceptable based on the static and dynamic fit characteristic. The number of eyes with acceptable lens fit was reported for each study lens.
15 Minutes Post Lens Fitting
Lens Stability With Blink
Lens rotational stability with blink was assessed using slit lamp with beam that can be rotated. The stability of the scribe mark rotational position during a series of normal (unforced) blinks was assessed, and then dichotomized whether stability was less than or equal to 5-degree (acceptable stability) or greater (unacceptable stability). The number of eye with acceptable stability was reported for each lens.
15 Minutes Post Lens Fitting
Absolute Lens Rotation
Lens rotation was assessed using slit lamp with beam that can be rotated. The rotational error (assume shortest distance) and direction (base toward the nose or temple) were calculated, and then absolute rotation was dichotomized whether absolute rotation was less than or equal to 10-degree (acceptable rotation) or greater (unacceptable rotation). The number of eyes with acceptable lens rotation for each lens was reported.
15-minutes Post Lens Insertion
Corneal Staining
Contact lens related corneal staining was assessed using slit lamp throughout the study. Corneal staining was graded using a 5-level scale: 0=no staining, 1=trace, 2=mild, 3=moderate and 4=severe. Corneal staining data collected during planned and unplanned visits were dichotomized whether the level of corneal stating was grade 3 or higher (unacceptable CS) or less than grade 3 (acceptable CS). The number of eyes with Grade 3 or higher was reported for each lens type.
Up to 4-Week Follow-up
Secondary Outcomes (3)
Overall Comfort
Up to 4- Week Follow-up
Overall Handling
Up to 4- Week Follow-up
Monocular Distance Visual Acuity (VA)
15 Minutes Post Lens Fitting
Study Arms (2)
Experimental: Participating Subjects
EXPERIMENTALSubjects who are habitual soft toric contact lens wearers, aged 18 to 40 years of age, will be dispensed the investigational contact lens to be worn from 28-36 days, to include a total of 5 visits.
Control: Participating Subjects
ACTIVE COMPARATORSubjects who are habitual soft toric contact lens wearers, aged 18 to 40 years of age, will be dispensed marketed contact lens to be worn from 28-36 days, to include a total of 5 visits.
Interventions
Eligibility Criteria
You may qualify if:
- \) Healthy adult males or females age ≥18-40 years of age with signed informed consent.
- \) The subject must appear able and willing to adhere to the instructions set forth in this clinical protocol.
- \) Subject must be a habitual soft toric contact lens wearer. Habitual wearer is defined as someone who wears contact lenses for at least 6 hours a day, 5 days a week for the past 30 days.
- \) Subject's vertex corrected spherical component of their distance refraction must be between -1.00 to -4.75 Diopter (D) (inclusive) in each eye.
- \) Subject's vertex corrected refractive cylinder must be between -0.75 and -1.50 DC (inclusive) in each eye.
- \) Subject's refractive cylinder axis must be 180±25 and 90±15 in each eye. 7) The subject must have visual acuity best correctable to 20/25 or better for each eye 8) The subject must read and sign the Informed Consent form.
You may not qualify if:
- \) Women who are pregnant or breastfeeding, 2) Any ocular or systemic allergies or diseases that may contraindicate contact lens wear.
- \) Any ocular medications use within the last one month. 4) Any systemic disease, autoimmune disease, or use of medication, which may interfere with contact lens wear.
- \) Any infectious disease (e.g., hepatitis, tuberculosis) or a contagious immunosuppressive disease (e.g., HIV), by self-report.
- \) Habitual wearer of extended wear contact lenses. 7) Known sensitivity to Revitalens OcuTec® 8) Any previous history of ocular and/or refractive surgery (e.g., radial keratotomy, PRK, LASIK, etc.).
- \) A clinical finding or history of entropion, ectropion, extrusions, chalazia, recurrent styes, glaucoma, history of recurrent corneal erosions, aphakia, or moderate or above corneal distortion, by self-report.
- \) History of binocular vision abnormality or strabismus, by self-report. 11) Habitual wearer of rigid gas permeable (RGP) lenses, orthokeratology lenses, or hybrid lenses (e.g. SynergEyes, SoftPerm) within the past 6 months.
- \) Employee of investigational clinic (e.g., Investigator, Coordinator, Technician).
- \) Participation in any contact lens or lens care product clinical trial within 14 days prior to study enrollment.
- \) Clinically significant (grade 3 or higher) corneal edema, corneal vascularization, corneal staining, tarsal abnormalities, bulbar injection or any other abnormalities which would contraindicate contact lens wear.
- \) Any history of a contact lens-related corneal inflammatory event within the past year that may contraindicate contact lens wear.
- \) Any active ocular infection. 17) Any corneal distortion resulting from previous hard or rigid gas permeable contact lens wear.
- \) Any fluctuations in vision due to clinically significant dry eye or other ocular conditions.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (17)
Golden Optometric Group
Whittier, California, 90606, United States
Dr. James Weber & Associates, PA
Jacksonville, Florida, 32205, United States
Edward S. Wygonik, OD
Jacksonville Beach, Florida, 32250, United States
Sabal Eye Care
Longwood, Florida, 32779, United States
Maitland Vision Center
Maitland, Florida, 32751, United States
Indiana University School of Optometry
Bloomington, Indiana, 47405, United States
Kannarr Eye Care
Pittsburg, Kansas, 66762, United States
ABQ Eye Care
Albuquerque, New Mexico, 87109, United States
Sacco Eye Group
Vestal, New York, 13850, United States
ProCare Vision Centers
Granville, Ohio, 43023, United States
EyeCare Professionals of Powell
Powell, Ohio, 43065, United States
Professional Vision Care, Inc
Westerville, Ohio, 43081, United States
West Bay Eye Associates
Warwick, Rhode Island, 02888, United States
Total Eye Care, PA
Memphis, Tennessee, 38119, United States
Premier Vision
Amarillo, Texas, 79119, United States
William J Bogus, OD, FAAO
Salt Lake City, Utah, 84106, United States
Botetourt Eyecare, LLC
Salem, Virginia, 24153, United States
Results Point of Contact
- Title
- Kristy Canavan- SENIOR PRINCIPAL RESEARCH OPTOMETRIST
- Organization
- Johnson & Johnson Vision
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- GT60
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 16, 2017
First Posted
March 22, 2017
Study Start
March 1, 2017
Primary Completion
May 4, 2017
Study Completion
May 4, 2017
Last Updated
July 10, 2018
Results First Posted
July 10, 2018
Record last verified: 2018-06