Clinical Evaluation of Fitting Investigational Contact Lenses
Studie Overzicht
Toestand
Toestand
Conditie
Conditie
Interventie / Behandeling
Interventie / Behandeling
Studietype
Studietype
Inschrijving (Werkelijk)
Inschrijving
Fase
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Florida
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Jacksonville, Florida, Verenigde Staten, 32256
- Vistakon Research Clinic
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Deelname Criteria
Geschiktheidscriteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- The subject must read, understand, and sign the STATEMENT OF INFORMED CONSENT and receive a fully executed copy of the form
- The subject must appear able and willing to adhere to the instructions set forth in this clinical protocol.
- Healthy adult males or females that are at least 40 years of age and no more than 70 years of age.
- The subject must either be wearing a presbyopic contact lens correction (e.g., reading spectacles over contact lenses, multifocal or monovision contact lenses, etc.) or if not respond positively to at least one symptom on the "Presbyopic Symptoms Questionnaire".
- The subject is a current soft spherical or toric contact lens wearer (defined as a minimum of 6 hours of wear per day at least two days of the week for a minimum of 1 month prior to the study).
- The subject's distance spherical equivalent or spherical component (if fit with a toric lens) of their refraction must be in the range -1.25 D to -3.75 D in each eye.
- The subject's refractive cylinder must be 0.00 D to -1.50 D in at least one eye and no greater than -1.50 D in either eye.
- The subject's refractive cylinder axis must be 90°±30° or 180°±30° in each eye.
- The subject's ADD power must be in the range of +0.75 D to +2.50 D in each eye.
- The subject must have best corrected visual acuity of 20/20-3 or better in each eye.
- The subject must have a wearable pair of spectacles if required for their distance vision.
Exclusion Criteria:
- Ocular or systemic allergies or disease, or use of medication which might interfere with contact lens wear.
- Pregnancy or lactation.
- Currently diagnosed with diabetes.
- Infectious diseases (e.g. hepatitis, tuberculosis) or an immune-suppressive disease (e.g. HIV).
- Clinically significant (Grade 3 or 4) corneal edema, corneal vascularization, corneal staining, tarsal abnormalities or bulbar injection, or any other corneal or ocular abnormalities which would contraindicate contact lens wear.
- Entropion, ectropion, extrusions, chalazia, recurrent styes, dry eye, glaucoma, history of recurrent corneal erosions.
- Any previous, or planned, ocular or intraocular surgery (e.g., radial keratotomy, PRK, LASIK, lid procedures, cataract surgery, retinal surgery, etc.).
- A history of amblyopia, strabismus or binocular vision abnormality.
- Any ocular infection or inflammation.
- Any ocular abnormality that may interfere with contact lens wear.
- Use of any ocular medication, with the exception of rewetting drops.
- History of herpetic keratitis.
- Participation in any contact lens or lens care product clinical trial within 30 days prior to study enrollment.
- Employee of clinical site (e.g., Investigator, Coordinator, Technician)
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Niet-gerandomiseerd
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Aantal wapens
Wapens en interventies
Deelnemersgroep / ArmDeelnemersgroep / Arm |
Interventie / BehandelingInterventie / Behandeling |
|---|---|
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Experimenteel: etafilcon A Toric Multifocal
|
Subjects who are habitual contact lens wearers with Presbyopic correction or Presbyopic symptoms, at least 40 years of age and no more than 70 years of age, will be fitted, according to the fitting guides, with either the Multifocal Contact Lens or an Toric Multifocal Contact Lens if refractive cylinder power of the eye is between -1.00 to -1.50.
The Intervention is approximately 30-90 minutes of wear time during a 1-day visit.
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Actieve vergelijker: etafilcon A Multifocal
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Subjects who are habitual contact lens wearers with Presbyopic correction or Presbyopic symptoms, at least 40 years of age and no more than 70 years of age, will be fitted, according to the fitting guides, with either the Multifocal Contact Lens or an Toric Multifocal Contact Lens if refractive cylinder power of the eye is between -1.00 to -1.50.
The Intervention is approximately 30-90 minutes of wear time during a 1-day visit.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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The Average Number of Fitting Modifications to Optimize Vision
Tijdsspanne: 15 minutes post lens insertion
|
The eye care practitioner (ECP) followed the fitting guides to assess the vision provided by the study lenses and determined if a lens change (modification) was needed.
The ECP modified the lenses based upon the subject's responses in accordance with the fitting guide.
Up to two modifications per subject was allowed.
The number of modifications required by the ECP to optimize vision was reported.
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15 minutes post lens insertion
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Secundaire uitkomstmaten
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Subject's Responses to Individual Item 1
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "Considering Your Experience With The Study Contact Lenses, Which Statement Best Describes Your Overall Satisfaction Of These Contact Lenses?".
This item had a response set of extremely satisfied, very satisfied, moderately satisfied, slightly satisfied and not at all satisfied.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 2
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "Based On Your Experience Today, How Likely Are You To Purchase This Contact Lens?".
This item had a response set of extremely likely, very likely, somewhat likely, slightly likely and not at all likely.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 3
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "Please Think About Your Experience Today With The Study Contact Lenses.
Please Indicate How You Satisfied You Are With The Overall Contact Lens Fitting Process?".
This item had a response set of very satisfied, satisfied, unsure, dissatisfied and very dissatisfied.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 4
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "Where Would You Expect To Go Looking For Information About This Contact Lens?
Please Select All That Apply.".
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 5
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "If You Were To Purchase The Study Contact Lenses, With What Frequency Would You Expect To Wear Them?".
This item had a response set of All of the time, Usually, Frequently, Sometimes, Rarely and never.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 6
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "What Are Your Current Vision Correction Solutions?".
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 7
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "Study Compare To Your Current Vision Correction Solutions?".
This item had a response set of Much better, somewhat better, about the same, somewhat worse and much worse.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 8
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "Considering your experience with the study contact lens, how excited are you about this lens being available to purchase?".
This item had a response set of Very Excited, Excited, Unsure, Unexcited and Very Unexcited.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 9
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "How would you rate your overall visual performance with the study contact lens?".
This item had a response set of Excellent, Very Good, Good, Fair and Poor.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Subject's Responses to Individual Item 10
Tijdsspanne: 15 Minuted Post Lens Insertion
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Subjects responses to individual item "Considering Your Experience With The Study Contact Lenses, Which Statement Best Describes Your Overall Opinion Of These Contact Lenses?".
This item had a response set of Excellent, Very Good, Good, Fair and Poor.
The percentage of subject's in each response category was reported.
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15 Minuted Post Lens Insertion
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Medewerkers en onderzoekers
Sponsor
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Studie start
Primaire voltooiing (Werkelijk)
Primaire voltooiing
Studie voltooiing (Werkelijk)
Studie voltooiing
Studieregistratiedata
Eerst ingediend
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Eerst geplaatst
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update geplaatst
Laatste update ingediend die voldeed aan QC-criteria
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
Andere studie-ID-nummers
- CR-5913
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
product vervaardigd in en geëxporteerd uit de V.S.
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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