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Performance Evaluation of DAILIES® TOTAL1™ in First Time Contact Lens Wearers

Not Applicable
Completed
Conditions
Myopia
Interventions
Device: Delefilcon A contact lens
Registration Number
NCT01494545
Lead Sponsor
Alcon Research
Brief Summary

The purpose of this study was to evaluate the performance of DAILIES® TOTAL1™ in first time contact lens wearers.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
102
Inclusion Criteria
  • Sign Informed Consent.
  • No previous contact lens experience or attempt to try contact lenses (neophyte).
  • Willing to wear study lenses for at least 8 hours a day for at least 5 days a week.
  • Use spectacle lenses for vision correction.
  • Other protocol-defined inclusion criteria may apply.
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Exclusion Criteria
  • 45 years or older.
  • Prior wear experience with rigid or soft contact lenses.
  • Systemic or ocular disease or disorder that would negatively affect the conduct or outcome of the study.
  • History of ocular surgery/trauma within the last six months.
  • Pregnant or nursing women.
  • Participation in any other ophthalmic drug or device clinical trial within 30 days of enrollment.
  • Other protocol-defined exclusion criteria may apply.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Delefilcon ADelefilcon A contact lensDelefilcon A contact lenses worn in both eyes on a daily wear, daily disposable basis for two weeks. A new pair was inserted each day.
Primary Outcome Measures
NameTimeMethod
Initial ComfortDay 1

Initial comfort was rated by the participant and recorded on a questionnaire at time of lens dispense. Initial comfort was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Comfort at Insertion by VisitDay 7, Day 14

Comfort at insertion was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Comfort at insertion was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Comfort During the Day by VisitDay 7, Day 14

Comfort during the day was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Comfort during the day was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Comfort at End of Day by VisitDay 7, Day 14

Comfort at end of day was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Comfort at end of day was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Overall Comfort by VisitDay 7, Day 14

Overall comfort was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Overall comfort was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Initial Quality of VisionDay 1

Initial quality of vision was rated by the participant and recorded on a questionnaire at time of lens dispense. Initial quality of vision was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Quality of Vision at Insertion by VisitDay 7, Day 14

Quality of vision at insertion was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Quality of vision at insertion was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Quality of Vision During the Day by VisitDay 7, Day 14

Quality of vision during the day was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Quality of vision during the day was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Quality of Vision at End of Day by VisitDay 7, Day 14

Quality of vision at end of day was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Quality of vision at end of day was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Overall Quality of Vision by VisitDay 7, Day 14

Overall quality of vision was rated by the participant and recorded on a questionnaire as a single, retrospective evaluation of the previous week of lens wear. Overall quality of vision was rated on a 10-point scale (1=poor to 10=excellent) as a single assessment for both eyes.

Average Comfortable Daily Wear Time by VisitDay 7, Day 14

Average comfortable daily wear time was reported by the participant as a single, retrospective evaluation of the previous week of wear.

Likert Statement: These Contact Lenses Were so Comfortable That I Don't Feel Anything.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 2=Strongly Agree; 1=Agree; -1=Disagree; -2=Strongly Disagree. A single assessment was made for both eyes.

Likert Statement: These Contact Lenses Were so Comfortable That I Barely Felt Anything.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 2=Strongly Agree; 1=Agree; -1=Disagree; -2=Strongly Disagree. A single assessment was made for both eyes.

Likert Statement: These Contact Lenses Felt so Comfortable That I Forgot I Was Wearing Them.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 2=Strongly Agree; 1=Agree; -1=Disagree; -2=Strongly Disagree. A single assessment was made for both eyes.

Likert Statement: These Contact Lenses Are Perfect for When I Choose Not to Wear my Eye Glasses.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 2=Strongly Agree; 1=Agree; -1=Disagree; -2=Strongly Disagree. A single assessment was made for both eyes.

Likert Statement: I Liked These Contact Lenses so Much That I Will Recommend Them to my Friends.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 22=Strongly Agree; 1=Agree; -1=Disagree; -2=Strongly Disagree. A single assessment was made for both eyes.

Likert Statement: Overall, my Vision is Better With These Contact Lenses Compared to my Eye Glasses.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 2=Strongly Agree; 1=Agree; -1=Disagree; -2=Strongly Disagree. A single assessment was made for both eyes.

Likert Statement: At the End of the Day my Vision is Better With These Contacts Lenses Compared to my Eye Glasses.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 2=strongly agree; 1=agree; -1=disagree; -2=strongly disagree. A single assessment was made for both eyes.

Likert Statement: My Peripheral Vision is Better With These Contact Lenses Than With my Eye Glasses.Day 14

The participant indicated agreement/disagreement with the statement by using a 4-point scale: 2=Strongly Agree; 1=Agree; -1=Disagree; -2=Strongly Disagree. A single assessment was made for both eyes.

Likert Statement: Compared to my Eye Glasses, my Vision With These Contact Lenses is:Day 14

The participant indicated overall satisfaction/dissatisfaction with the contact lenses using a 5-point scale: 2=Much Better; 1=A Little Better; 0=Same; -1=A Little Worse; -2=Much Worse. A single assessment was made for both eyes.

Likert Statement: I am Interested in Purchasing These Contact Lenses.Day 14

The participant indicated purchase intent using a 4-point scale: 2=Very Interested; 1=Interested; -1=Not Interested; -2=Very Disinterested. A single assessment was made for both eyes.

Secondary Outcome Measures
NameTimeMethod
Lens Surface Characteristics: Dry Areas/Non-wettingDay 1

The investigator assessed the surface of the contact lens while the lens was on the participant's eye for dry areas/non-wetting: 0=None; 1=Very Slight; 2-Slight; 3=Moderate; 4=Severe. Assessments were made individually (by eye) and binocularly (both eyes together).

Lens Surface Characteristics: Dry Areas/Non-WettingDay 14

The investigator assessed the surface of the contact lens while the lens was on the participant's eye for dry areas/non-wetting: 0=None; 1=Very Slight; 2-Slight; 3=Moderate; 4=Severe. Assessments were made individually (by eye) and binocularly (both eyes together).

Duration of Overall Training TimeDay 1

The investigator recorded the time it took for the patient to insert both lenses and remove both lenses, not including instructions.

Investigator's Satisfaction With Lens Fit by VisitDay 1, Day 7, Day 14

The investigator considered the factors that relate to a well-fitted contact lens, including good centration, adequate movement, and complete corneal coverage, and rated his/her satisfaction with the contact lens fit on 10-point scale, with 1 being not at all satisfied and 10 being very satisfied.

Investigator's Overall Impression of Surface Wettability by VisitDay 1, Day 7, Day 14

The investigator rated his/her overall impression of the surface wettability of the contact lens on a 10-point scale (1=poor to 10=excellent).

Investigator's Rating of Ease of FitDay 14

The investigator indicated agreement/disagreement with the statement, "The study lenses were easy to fit for this subject," by using a 4-point scale: 1=Strongly Agree; 2=Agree; 3=Disagree; 4=Strongly Disagree.

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