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A Comparison of Two Color Contact Lenses in Habitual Clear Contact Lens Wearers

Not Applicable
Completed
Conditions
Myopia
Refractive Error
Interventions
Device: Lotrafilcon B contact lens with color
Device: Phemfilcon A contact lens with color
Registration Number
NCT01782482
Lead Sponsor
Alcon Research
Brief Summary

The purpose of this study was to evaluate overall satisfaction with AIR OPTIX® COLORS as compared to FRESHLOOK® COLORBLENDS contact lenses.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
574
Inclusion Criteria
  • Willing and able to sign Informed Consent Document. If under legal age of consent, legally authorized representative must also sign Informed Consent Document.
  • Able to achieve best corrected visual acuity (BCVA) of 20/25 (Snellen) or better in each eye at distance.
  • Manifest cylinder less than or equal to 0.75 diopter in each eye.
  • Wear contact lenses within protocol-defined specifications.
  • Require spherical contact lenses within the available range of powers.
  • Other protocol-defined inclusion criteria may apply.
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Exclusion Criteria
  • Any eye condition that contraindicates contact lens wear.
  • Any systemic or ocular abnormality, infection, or disease likely to affect successful wear of contact lenses or use of their accessory solutions.
  • Moderate or severe ocular findings upon examination.
  • Any use of systemic or ocular medications that could contraindicate contact lens wear, including use of topical ocular medications requiring instillation during contact lens wear, except for approved lubricating drops.
  • Habitual lenses worn in an extended wear modality (routinely sleeping in lenses overnight for 1 night per week or more) over the last 3 months prior to enrollment.
  • Previous corneal or refractive surgery or irregular cornea.
  • Eye injury or surgery within the last 6 months (excluding placement of punctal plugs).
  • Monovision and monocular subjects (only one eye with functional vision) or subjects fit with only one lens.
  • History of intolerance or hypersensitivity to any component of the test articles.
  • Other protocol-defined exclusion criteria may apply.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
AIR OPTIX® COLORSLotrafilcon B contact lens with colorLotrafilcon B contact lens with color worn on a daily wear basis for 7 days. Lenses were worn bilaterally for a minimum of 5 days per week, 8 hours per day.
FRESHLOOK® COLORBLENDSPhemfilcon A contact lens with colorPhemfilcon A contact lens with color worn on a daily wear basis for 7 days. Lenses were worn bilaterally for a minimum of 5 days per week, 8 hours per day.
Primary Outcome Measures
NameTimeMethod
Subjective Rating of Overall SatisfactionDay 7

Overall satisfaction, as rated by the participant on a 10-point scale, with 1 being very dissatisfied to 10 being very satisfied. The participant rated both eyes together by providing one single rating.

Secondary Outcome Measures
NameTimeMethod
Positive Purchase IntentDay 7

As reported on a questionnaire in response to, "Assuming these lenses were at a price you would expect to pay, how likely would you be to purchase these lenses?" The binary 'positive' vs 'negative' response variable was derived from a 5-point Likert scale. Positive purchase intent is reported as the percentage of participants choosing "Definitely would purchase" or "Probably would purchase."

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