Dispensing Study for the Phenacite Project
Dispensing Study for the Phenacite Project.
The investigational test lens was not the final optical design and the study was not used for design validation.
Visão geral do estudo
Status
Status
Condições
Condições
Intervenção / Tratamento
Intervenção / Tratamento
Descrição detalhada
Tipo de estudo
Tipo de estudo
Inscrição (Real)
Inscrição
Estágio
Estágio
- Não aplicável
Contactos e Locais
Locais de estudo
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Indiana
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Bloomington, Indiana, Estados Unidos, 47405
- Clinical Optics Research Lab (CORL) Indiana University School of Optometry, Indiana University
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Critérios de participação
Critérios de elegibilidade
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Oculo-visual examination in the last two years
- Between 18 and 35 years of age and has full legal capacity to volunteer
- Has read and understood the informed consent letter
- Is willing and able to follow instructions and maintain the appointment schedule
- Is correctable to a visual acuity of 20/25 or better (in each eye) with their habitual correction or 20/20 best corrected
- Currently wears, or has previously successfully worn, soft contact lenses between -1.00D and -4.00D
- Spherical Contact Lens Rx between -1.00 and -4.00 and spectacle cylinder ≤-0.75
- Has not worn lenses for at least 12 hours before the initial visit
- Has a subjective response at baseline, which indicates suitability for this study
- Currently spends a minimum of 4 hours a day; 5 days a week on digital devices and can replicate this time during the study period
- Is willing and able to wear the study contact lenses a minimum of 10 hours per day; 5 days a week.
Exclusion Criteria:
- Has never worn contact lenses before
- Any systemic disease affecting ocular health
- Is using any systemic or topical medications that will affect ocular health
- Has known sensitivity to the diagnostic pharmaceuticals or study products used in this study.
- Has any ocular pathology or anomaly that would affect the wearing of the lenses
- Has persistent, clinically significant corneal or conjunctival staining using sodium fluorescein dye
- Is aphakic
- Has anisometropia of >1.00
- Has undergone corneal refractive surgery
- Has strabismus
- Has any ocular amblyopia >= 1line of HC Visual Acuity
- Is participating in any other type of eye related clinical or research study
- Has participated in study CV-14-32.
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Randomizado
- Modelo Intervencional: Atribuição cruzada
- Mascaramento: Dobro
Número de braços
Armas e Intervenções
Grupo de Participantes / BraçoGrupo de Participantes / Braço |
Intervenção / TratamentoIntervenção / Tratamento |
|---|---|
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Experimental: Phenacite
Subjects will be randomized to wear the Phenacite contact lenses binocularly.
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Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.
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Comparador Ativo: comfilcon A
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.
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Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.
|
O que o estudo está medindo?
Medidas de resultados primários
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Subjective Ratings of Lens Comfort
Prazo: Baseline (after 15 minutes of lens dispense)
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Subjective ratings of lens comfort.
Comfort Scale (0,100; 0=extremely uncomfortable/cannot tolerate; 100 = extremely comfortable/cannot be felt)
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Baseline (after 15 minutes of lens dispense)
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Subjective Ratings of Lens Comfort
Prazo: 2 Weeks
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Subjective ratings of lens comfort.
Comfort Scale (0,100; 0=extremely uncomfortable/cannot tolerate; 100 = extremely comfortable/cannot be felt)
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2 Weeks
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Over Refraction for Optimized Distance Acuity
Prazo: 2 weeks
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Over Refraction for optimized distance acuity measured using logMAR
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2 weeks
|
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Binocular Distance Visual Acuity - High Illumination High Contrast
Prazo: Baseline (after 5 minutes of lens dispense)
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Binocular Distance Visual Acuity - High Illumination High Contrast was measured using logMAR
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Baseline (after 5 minutes of lens dispense)
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Binocular Distance Visual Acuity - High Illumination High Contrast
Prazo: 2 weeks
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Binocular Distance Visual Acuity - High Illumination High Contrast was measured using logMAR
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2 weeks
|
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Binocular Distance Visual Acuity - Low Illumination High Contrast
Prazo: Baseline (after 5 minutes of lens dispense)
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Binocular Distance Visual Acuity - Low Illumination High Contrast was measured using logMAR
|
Baseline (after 5 minutes of lens dispense)
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Binocular Distance Visual Acuity - Low Illumination High Contrast
Prazo: 2 weeks
|
Binocular Distance Visual Acuity - Low Illumination High Contrast was measured using logMAR
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2 weeks
|
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Binocular Near Visual Acuity - High Illumination High Contrast
Prazo: Baseline (after 5 minutes of lens dispense)
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Binocular Near Visual Acuity - High Illumination High Contrast was measured using logMAR
|
Baseline (after 5 minutes of lens dispense)
|
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Binocular Near Visual Acuity - High Illumination High Contrast
Prazo: 2 weeks
|
Binocular Near Visual Acuity - High Illumination High Contrast was measured using logMAR
|
2 weeks
|
|
Binocular Near Visual Acuity - Low Illumination High Contrast
Prazo: Baseline (after 5 minutes of lens dispense)
|
Binocular Near Visual Acuity - Low Illumination High Contrast was measured using logMAR
|
Baseline (after 5 minutes of lens dispense)
|
|
Binocular Near Visual Acuity - Low Illumination High Contrast
Prazo: 2 weeks
|
Binocular Near Visual Acuity - Low Illumination High Contrast was measured using logMAR
|
2 weeks
|
Medidas de resultados secundários
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Lens Fit - Post Blink Movement
Prazo: Baseline (after 15 minutes of lens dispense)
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Investigator assessment of Amount of movement (to the nearest 0.1mm) immediately after the blink (0.1mm steps)
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Baseline (after 15 minutes of lens dispense)
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Lens Fit - Post Blink Movement
Prazo: 2 weeks
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Investigator assessment of Amount of movement (to the nearest 0.1mm) immediately after the blink (0.1mm steps)
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2 weeks
|
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Push - Up Test for Lens Tightness
Prazo: Baseline (after 15 minutes of lens dispense)
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Investigator assessment using Continuous Scale 0-100% (1% steps): 0%=Falls from cornea without lid support, 50%=Optimum, 100%=No movement
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Baseline (after 15 minutes of lens dispense)
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Push - Up Test for Lens Tightness
Prazo: 2 weeks
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Investigator assessment using Continuous Scale 0-100% (1% steps): 0%=Falls from cornea without lid support, 50%=Optimum, 100%=No movement
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2 weeks
|
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Lens Mobility Rating
Prazo: Baseline (after 15 minutes of lens dispense)
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Investigator assessment using 5 Categories in 0.50 steps: 0=Immobile - no lag in any versions, 1=Restricted - no lag in some directions but slight lag (0-0.25mm) in others, 2=Secure - slight lag (0.25-0.5mm in each version), 3=Unrestricted - freely lags in a controlled manner on all versions, but not excessive (0.5-1.0mm), 4=Very mobile - excessive lag (>1mm) on versions in all directions in 0.25 steps
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Baseline (after 15 minutes of lens dispense)
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Lens Mobility Rating
Prazo: 2 weeks
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Investigator assessment using 5 Categories in 0.50 steps: 0=Immobile - no lag in any versions, 1=Restricted - no lag in some directions but slight lag (0-0.25mm) in others, 2=Secure - slight lag (0.25-0.5mm in each version), 3=Unrestricted - freely lags in a controlled manner on all versions, but not excessive (0.5-1.0mm), 4=Very mobile - excessive lag (>1mm) on versions in all directions in 0.25 steps
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2 weeks
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Overall Lens Fit Acceptance
Prazo: Baseline (after 15 minutes of lens dispense)
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Investigator assessment using 5 Categories in 0.25 steps: 0=Can't be worn, 1=Poor - should not be dispensed although no immediate danger, 2=Fair, 3=Good, 4=Optimum in 0.25 steps
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Baseline (after 15 minutes of lens dispense)
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|
Overall Lens Fit Acceptance
Prazo: 2 weeks
|
Investigator assessment using 5 Categories in 0.25 steps: 0=Can't be worn, 1=Poor - should not be dispensed although no immediate danger, 2=Fair, 3=Good, 4=Optimum in 0.25 steps
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2 weeks
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Subjective Ratings for Vision Quality - Distance Vision
Prazo: Baseline (after 15 minutes of lens dispense)
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Patient subjective scoring using 0-100 continuous scale for Distance Quality of Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
|
Baseline (after 15 minutes of lens dispense)
|
|
Subjective Ratings for Vision Quality - Distance Vision
Prazo: 2 weeks
|
Patient subjective scoring using 0-100 continuous scale for Distance Quality of Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
|
2 weeks
|
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Subjective Ratings for Vision Quality - Near Vision
Prazo: Baseline (after 15 minutes of lens dispense)
|
Patient subjective scoring using 0-100 continuous scale for Near Quality of Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
|
Baseline (after 15 minutes of lens dispense)
|
|
Subjective Ratings for Vision Quality - Near Vision
Prazo: 2 weeks
|
Patient subjective scoring using 0-100 continuous scale for Near Quality of Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
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2 weeks
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Subjective Ratings for Vision Quality - Computer Vision
Prazo: Baseline (after 15 minutes of lens dispense)
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Patient subjective scoring using 0-100 continuous scale for Computer Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
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Baseline (after 15 minutes of lens dispense)
|
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Subjective Ratings for Vision Quality - Computer Vision
Prazo: 2 weeks
|
Patient subjective scoring using 0-100 continuous scale for Computer Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
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2 weeks
|
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Subjective Ratings for Vision Quality - Overall Vision
Prazo: Baseline (after 15 minutes of lens dispense)
|
Patient subjective scoring using 0-100 continuous scale for Overall Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
|
Baseline (after 15 minutes of lens dispense)
|
|
Subjective Ratings for Vision Quality - Overall Vision
Prazo: 2 weeks
|
Patient subjective scoring using 0-100 continuous scale for Overall Vision: 0=extremely poor vision all of the time.
Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
|
2 weeks
|
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Corneal Staining Extent
Prazo: 2 weeks
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Corneal staining extent was assessed on a scale of 0-4 (0-No Staining, 1 - 1-15% of area, 2- 16-30% of area, 3- 31-45% of area, 4- >45% of area
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2 weeks
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Conjunctival Staining
Prazo: 2 weeks
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Conjunctival staining was assessed on a scale of 0-4, 0.50 steps (0-None, 1 - Minimal diffuse punctuate, 2- Coalescent Punctuate, 3- confluent, 4- Deep confluent
|
2 weeks
|
Colaboradores e Investigadores
Patrocinador
Patrocinador
Investigadores
Investigadores
- Investigador principal: Pete Kollbaun, OD PhD, CORL Indiana University
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo
Início do estudo
Conclusão Primária (Real)
Conclusão Primária
Conclusão do estudo (Real)
Conclusão do estudo
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Estimativa)
Primeira postagem
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última Atualização Postada
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
Outros números de identificação do estudo
- CV-15-16
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