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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 19 September 2016
Main ID:  NCT02727816
Date of registration: 30/03/2016
Prospective Registration: Yes
Primary sponsor: Coopervision, Inc.
Public title: Non-dispensing Fitting Study Comparing the Clinical Performance Hydrogel Sphere Design Contact Lenses.
Scientific title: Non-dispensing Fitting Study Comparing the Clinical Performance Hydrogel Sphere Design Contact Lenses.
Date of first enrolment: April 2016
Target sample size: 40
Recruitment status: Completed
URL:  https://clinicaltrials.gov/show/NCT02727816
Study type:  Interventional
Study design:  Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator)  
Phase:  N/A
Countries of recruitment
Mexico
Contacts
Key inclusion & exclusion criteria

Inclusion Criteria:

A person is eligible for inclusion in the study if he/she:

- Is between 18 and 40 years of age (inclusive).

- Has had a self-reported visual exam in the last two years.

- Is an adapted soft CL (Contact Lens) wearer.

- Has a CL spherical prescription between - 1.00 and - 6.00 (inclusive)

- Has a spectacle cylinder up to 0.75D (Diopters) in each eye.

- Can achieve best corrected spectacle distance visual acuity of 20/25 (0.10 logMAR) or
better in each eye.

- Can achieve a distance visual acuity of 20/30 (0.18 logMAR) or better in each eye
with the study contact lenses.

- Has clear corneas and no active ocular disease.

- Has read, understood and signed the information consent letter.

- Patient contact lens refraction should fit within the available parameters of the
study lenses.

- Is willing to comply with the wear schedule.

- Is willing to comply with the visit schedule.

Exclusion Criteria:

A person will be excluded from the study if he/she:

- Has never worn contact lenses before.

- Currently wears rigid gas permeable contact lenses.

- Has a history of not achieving comfortable CL wear (5 days per week; > 8 hours/day)

- Has a CL prescription outside the range of - 1.00 to - 6.00D

- Has a spectacle cylinder =1.00D of cylinder in either eye.

- Has contact lens best corrected distance vision worse than 20/25 (0.10 logMAR) in
either eye.

- Presence of clinically significant (grade 2-4) anterior segment abnormalities.

- Presence of ocular or systemic disease or need of medications which might interfere
with contact lens wear.

- Slit lamp findings that would contraindicate contact lens wear such as:

- Pathological dry eye or associated findings

- Pterygium, pinguecula, or corneal scars within the visual axis

- Neovascularization > 0.75 mm in from of the limbus

- Giant papillary conjunctivitis (GPC) worse than grade 1

- Anterior uveitis or iritis (past or present)

- Seborrheic eczema, Seborrheic conjunctivitis

- History of corneal ulcers or fungal infections

- Poor personal hygiene

- Has a known history of corneal hypoesthesia (reduced corneal sensitivity)

- Has aphakia, keratoconus or a highly irregular cornea.

- Has Presbyopia or has dependence on spectacles for near work over the contact lenses.

- Has undergone corneal refractive surgery.

- Is participating in any other type of eye related clinical or research study.



Age minimum: 18 Years
Age maximum: 40 Years
Gender: Both
Health Condition(s) or Problem(s) studied
Myopia
Intervention(s)
Device: ocufilcon D
Device: filcon IV I (BC 8.7)
Device: filcon IV I (BC 8.6)
Device: methafilcon A (BC 8.6)
Device: methafilcon A (BC 8.7)
Device: somofilcon A
Primary Outcome(s)
Centration - pair three [Time Frame: Up to 1 hour]
Lens tightness - pair three [Time Frame: Up to 1 hour]
Lens tightness - pair one [Time Frame: Up to 1 hour]
Post-blink movement - pair four [Time Frame: Up to 1 hour]
Centration - pair two [Time Frame: Up to 1 hour]
Lens tightness - pair two [Time Frame: Up to 1 hour]
Post-blink movement - pair three [Time Frame: Up to 1 hour]
Lens tightness - pair four [Time Frame: Up to 1 hour]
Overall fit acceptance - pair three [Time Frame: Up to 1 hour]
Centration - pair four [Time Frame: Up to 1 hour]
Centration - pair one [Time Frame: Up to 1 hour]
Overall fit acceptance - pair four [Time Frame: Up to 1 hour]
Post-blink movement - pair one [Time Frame: Up to 1 hour]
Overall fit acceptance - pair one [Time Frame: Up to 1 hour]
Post-blink movement - pair two [Time Frame: Up to 1 hour]
Overall fit acceptance - pair two [Time Frame: Up to 1 hour]
Secondary Outcome(s)
Secondary ID(s)
EX-MKTG-65
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ethics review
Results
Results available:
Date Posted:
Date Completed:
URL:
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