Fitting Evaluation of Hydrogel and Silicone Hydrogel Spherical Contact Lenses
1 other identifier
interventional
40
1 country
1
Brief Summary
This study aims to compare the short-term clinical performance of the three contact lenses (Methafilcon A IV, Ocufilcon B 1-day and Omafilcon A 1-day daily disposable).
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 Jun 2017
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
June 23, 2017
CompletedFirst Submitted
Initial submission to the registry
July 27, 2017
CompletedFirst Posted
Study publicly available on registry
August 1, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 22, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
September 22, 2017
CompletedResults Posted
Study results publicly available
November 14, 2018
CompletedSeptember 12, 2019
August 1, 2019
3 months
July 27, 2017
October 15, 2018
August 27, 2019
Conditions
Outcome Measures
Primary Outcomes (5)
Visual Acuity Using logMAR
Assessment of visual performance using the Bailey-Lovie logMAR visual acuity test chart and procedures for carrying out an over-refraction
Dispense and follow-up, approximately one hour (1hr) of lens wear for each lens type worn
Lens Fit - Horizontal Centration
Assessment of horizontal centration of lens on eye
Dispense and follow-up, approximately one hour (1hr) of lens wear for each lens type worn
Lens Fit - Vertical Centration
Assessment of vertical centration of lens on eye
Dispense and follow-up, approximately one hour (1hr) of lens wear for each lens type worn
Lens Fit - Corneal Coverage of Lens
Assessment of corneal coverage of lens on eye
Dispense and follow-up, approximately one hour (1hr) of lens wear for each lens type worn
Lens Fit - Movement of Lens
Assessment of movement of lens on eye
Dispense and follow-up, approximately one hour (1hr) of lens wear for each lens type worn
Study Arms (3)
Methafilcon A IV
ACTIVE COMPARATORSubjects are randomized to wear Methafilcon A IV for 1 hour during the cross over study.
Ocufilcon B
ACTIVE COMPARATORSubjects are randomized to wear Ocufilcon B for 1 hour during the cross over study.
Omafilcon A
ACTIVE COMPARATORSubjects are randomized to wear Omafilcon A for 1 hour during the cross over study.
Interventions
Eligibility Criteria
You may qualify if:
- They are of aged 18-40 and have capacity to volunteer.
- They understand their rights as a research subject and are willing and able to sign a Statement of Informed Consent.
- They are willing and able to follow the protocol.
- They agree not to participate in other clinical research for the duration of this study.
- They have a contact lens spherical prescription between -1.00 to - 6.00D (inclusive)
- They have a spectacle cylindrical correction of -0.75D or less in each eye (based on the ocular refraction).
- They can attain at least 0.10 logMAR distance high contrast visual acuity in each eye with the study lenses within the available power range.
- They currently use soft contact lenses or have done so in the previous six months.
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 have had cataract surgery.
- They have had corneal refractive surgery.
- They have any corneal distortion resulting from previous hard or rigid lens wear or have keratoconus.
- They are pregnant or lactating.
- They have any ocular abnormality which would, in the opinion of the investigator, normally contraindicate contact lens wear.
- They have any infectious disease which would, in the opinion of the investigator, contraindicate contact lens wear or pose a risk to study personnel; or they have any immunosuppressive disease (e.g. HIV), or a history of anaphylaxis or severe allergic reaction.
- They have taken part in any other contact lens or care solution clinical trial or research, within two weeks prior to starting this study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Eurolens Research - The University of Manchester
Manchester, M13 9PL, United Kingdom
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Jose Vega, O.D., MSc., FAAO
- Organization
- CooperVision
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
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
July 27, 2017
First Posted
August 1, 2017
Study Start
June 23, 2017
Primary Completion
September 22, 2017
Study Completion
September 22, 2017
Last Updated
September 12, 2019
Results First Posted
November 14, 2018
Record last verified: 2019-08
Data Sharing
- IPD Sharing
- Will not share