- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT01526902
Proclear 1-D Multifocal Nondispensing Study
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
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Indiana
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Bloomington,, Indiana, Stati Uniti, 47405
- Clinical Optics Research Lab, Indiana University,
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Be between 40 and 65 years of age (inclusive)
- Require a reading addition of +1.25 to +2.50D (inclusive)
- Spherical distance CL or spectacle prescription between +3.00D and -5.00D(inclusive)
- Spectacle cylinder less than or equal to 0.75D in both eyes.
- Currently has a reading add correction in their spectacle or CL habitual correction (e.g. if myope, removes distance correction to read)
- Normal binocularity (no amblyopia, no strabismus, no habitually uncorrected anisometropia ≥ 2.00D)
- Have a minimum 2 weeks soft contact lens experience
- Be able to wear the study lens (e.g. good fit is attained and acceptable subjective comfort and vision for the duration of the study)
- Able to read, comprehend and sign an informed consent
- Willing to comply with the wear and study visit schedule
- Monocular best-corrected distance visual acuity ≥ 20/25 in each eye
- No gas permeable contact lens wear for 1 month prior to the study
Exclusion Criteria:
To be eligible for the study, each candidate must not present with any of the following
- Any active corneal infection, injury, inflammation, or ocular abnormality
- Systemic or ocular allergies, which might interfere with contact lens wear
- Systemic disease, which might interfere with contact lens wear
- Ocular disease, which might interfere with contact lens wear
- Pregnant or lactating
- Strabismus/amblyopia
- Habitually uncorrected anisometropia greater than or equal to 2.00 D
- Subjects who have undergone corneal refractive surgery
- Subjects with keratoconus or other severe corneal irregularity contraindicating lens wear
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione incrociata
- Mascheramento: Doppio
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
---|---|
Comparatore attivo: omafilcon A / PC 1-D MF
omafilcon A (PC 1-D MF) / lotrafilcon B (AIR OPTIX MF) Subjects were randomly assigned into either the omafilcon A/PC 1-D MF lenses with +0.75D over-correction in the non-dominant eye or the lotrafilcon B/Air Optix MF lenses then crossed-over into the alternative pair of study lenses. |
Subjects were randomly assigned into either the omafilcon A/PC 1-D MF lenses with +0.75D over-correction in the non-dominant eye or the lotrafilcon B/Air Optix MF lenses then crossed-over into the alternative pair of study lenses.
Altri nomi:
Subjects were randomly assigned into either the omafilcon A/PC 1-D MF lenses with +0.75D over-correction in the non-dominant eye or the lotrafilcon B/Air Optix MF lenses then crossed-over into the alternative pair of study lenses
Altri nomi:
|
Comparatore attivo: lotrafilcon B / Air Optix MF
lotrafilcon B (AIR OPTIX MF) / omafilcon A (PC 1-D MF) Subjects were randomly assigned into either the omafilcon A/PC 1-D MF lenses with +0.75D over-correction in the non-dominant eye or the lotrafilcon B/Air Optix MF lenses then crossed-over into the alternative pair of study lenses. |
Subjects were randomly assigned into either the omafilcon A/PC 1-D MF lenses with +0.75D over-correction in the non-dominant eye or the lotrafilcon B/Air Optix MF lenses then crossed-over into the alternative pair of study lenses.
Altri nomi:
Subjects were randomly assigned into either the omafilcon A/PC 1-D MF lenses with +0.75D over-correction in the non-dominant eye or the lotrafilcon B/Air Optix MF lenses then crossed-over into the alternative pair of study lenses
Altri nomi:
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
---|---|---|
Objective Vision Assessments: High Contrast Distance Visual Acuity
Lasso di tempo: After 1 hour of lens wear
|
Tested with charts distant to the subject with both eyes together in normal lighting conditions.
The unit of measure is logMAR units (logarithm of the minimum angle of resolution) A logMAR acuity of 0.0 equates to 20/20 Snellen acuity.
Positive logMAR values indicate poorer vision and negative values denote better visual acuity than baseline 20/20 value.
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After 1 hour of lens wear
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Objective Vision Assessments: High Contrast Intermediate Visual Acuity
Lasso di tempo: After 1 hour of lens wear
|
Tested with charts at intermediate distance (100cm)distant to the subject with both eyes together in normal lighting conditions.
The unit of measure is logMAR units (logarithm of the minimum angle of resolution) A logMAR acuity of 0.0 equates to 20/20 Snellen acuity.
Positive logMAR values indicate poorer vision and negative values denote better visual acuity than baseline 20/20 value.
|
After 1 hour of lens wear
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Objective Vision Assessments: High Contrast Near Visual Acuity
Lasso di tempo: After 1 hour of lens wear
|
Tested with charts set at near point (40cm)distant to the subject with both eyes together in normal lighting conditions.
The unit of measure is logMAR units (logarithm of the minimum angle of resolution) A logMAR acuity of 0.0 equates to 20/20 Snellen acuity.
Positive logMAR values indicate poorer vision and negative values denote better visual acuity than baseline 20/20 value.
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After 1 hour of lens wear
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
---|---|---|
Subjective Overall Vision: High Contrast Distance Visual Quality
Lasso di tempo: After 1 hour of lens wear
|
Subjects instructed to rate Vision quality at distance, intermediate and near vision (OU) using a 0-100 numerical scale where 0 = poor and 100 = excellent.
|
After 1 hour of lens wear
|
Subjective Vision Assessments: High Contrast Intermediate Visual Quality
Lasso di tempo: After 1 hour of lens wear
|
Subjects instructed to rate Vision quality at distance, intermediate and near vision (OU) using a 0-100 numerical scale where 0 = poor and 100 = excellent.
|
After 1 hour of lens wear
|
Subjective Vision Assessments: High Contrast Near Visual Quality
Lasso di tempo: After 1 hour of lens wear
|
Subjects instructed to rate Vision quality at distance, intermediate and near vision (OU) using a 0-100 numerical scale where 0 = poor and 100 = excellent.
|
After 1 hour of lens wear
|
Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Peter Kollbaum, OD, PhD, Clinical Optics Research Lab, Indiana University, Bloomington, Indiana, USA
Studiare le date dei record
Studia le date principali
Inizio studio
Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Stima)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- CV-12-02A
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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