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Comparative Study to Evaluate the Cosmetic Appearance of Two Brands (Coopervision (CVI) vs. Competitor) of Color Soft Contact Lenses.

Not Applicable
Completed
Conditions
Myopia
Interventions
Device: Verde (Competitor-control)
Device: Cinza (Competitor-control)
Device: Esmeralda (Competitor-control)
Device: Azul (Competitor-control)
Device: Grey (CVI-test)
Device: Jade (CVI-test)
Device: Blue (CVI-test)
Device: Green (CVI-test)
Registration Number
NCT02299869
Lead Sponsor
Coopervision, Inc.
Brief Summary

Comparative Study to Evaluate the Cosmetic Appearance of Two Brands (Coopervision (CVI) vs. Competitor)of Color Soft Contact Lenses

Detailed Description

Each lens pair comparison will require two visits over two days, as follows: Visits: V1 (lens dispensing), V2 (20 minutes post lens settling). Each subject will be randomized to wear the test and control lenses in a series of four short fitting comparisons.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
41
Inclusion Criteria
  • Is between 18 and 40 years of age (inclusive).
  • Has had a self-reported visual exam in the last two years.
  • Is an adapted wearer of spherical soft contact lenses.
  • Has a contact lens spherical prescription between - 1.00 and - 10.00 (inclusive).
  • Has a spectacle cylinder up to 0.75 diopter (D) in each eye
  • Can achieve best corrected spectacle distance visual acuity of 20/30 (0.18 logMAR) or better in each eye.
  • Has clear corneas and no active ocular disease.
  • Has read, understood and signed the information consent letter.
  • Is willing to wear his/hers spectacles over the study contact lenses.
  • Is willing to comply with the wear schedule.
  • Is willing to comply with the visit schedule.
Exclusion Criteria
  • Has never worn contact lenses before.

  • Currently wears rigid gas permeable contact lenses.

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

  • Has a contact lens prescription outside the range of - 1.00 to -10.00D.

  • Has a spectacle cylinder ≥1.00D of cylinder in either eye.

  • Does not have a pair of corrective spectacles at the time of the visit.

  • Cannot achieve best corrected spectacle distance visual acuity of 20/30 (0.18 logMAR) or better in each eye.

  • Presence of clinically significant (grade > 2.0, scale 0-4) 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 (GCP) 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.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Group 1 - Verde (Competitor-control) vs. Green (CVI-test)Verde (Competitor-control)Each subject was randomized to wear the test and control lenses contralaterally.
Group 2 - Cinza (Competitor-control) vs. Grey (CVI-test)Cinza (Competitor-control)Each subject was randomized to wear the test and control lenses contralaterally.
Group 2 - Cinza (Competitor-control) vs. Grey (CVI-test)Grey (CVI-test)Each subject was randomized to wear the test and control lenses contralaterally.
Group 3 - Esmeralda (Competitor-control) vs. Jade (CVI-test)Jade (CVI-test)Each subject was randomized to wear the test and control lenses contralaterally.
Group 4 - Azul (Competitor-control) vs. Blue (CVI-test)Blue (CVI-test)Each subject was randomized to wear the test and control lenses contralaterally.
Group 1 - Verde (Competitor-control) vs. Green (CVI-test)Green (CVI-test)Each subject was randomized to wear the test and control lenses contralaterally.
Group 3 - Esmeralda (Competitor-control) vs. Jade (CVI-test)Esmeralda (Competitor-control)Each subject was randomized to wear the test and control lenses contralaterally.
Group 4 - Azul (Competitor-control) vs. Blue (CVI-test)Azul (Competitor-control)Each subject was randomized to wear the test and control lenses contralaterally.
Primary Outcome Measures
NameTimeMethod
Comfort20 minutes

Participant's subjective rating for comfort. (Scale 0-10, 0=poor, 10=excellent).

Comfort Preference20 minutes

Participant's subjective preference for comfort on a 3 point Likert Scale. 1=prefer CVI-test lens, 2=prefer Competitor-control lens, 3=no preference

Cosmetic Appearance Preference20 minutes

Participant's subjective preference for cosmetic appearance. 3 point Likert Scale. 1=prefer CVI-test lens 2=prefer Competitor-control lens, 3=no preference

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Optometry Clinic, National Autonomous University

🇲🇽

Mexico D.F., Mexico

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