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Progressive Addition Lens

Experimental: The specified PAL design wearers for Presbyopia

N/A
Waitlist Available
Led By Frank Spors, Ph.D.
Research Sponsored by Western University of Health Sciences
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 10-15 minutes of wearing time.
Awards & highlights

Study Summary

This clinical trial investigates the differences between three different progressive addition lens designs. It is a non-invasive double-masked randomized clinical investigation. For this study, 80 participants will be recruited.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~10-15 minutes of wearing time.
This trial's timeline: 3 weeks for screening, Varies for treatment, and 10-15 minutes of wearing time. for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Evaluate the adaptation to progressive lens designs.
Secondary outcome measures
Evaluate the fast impression of progressive lens designs.
Evaluate the preference among progressive lens designs.

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Experimental: The specified PAL design wearersExperimental Treatment1 Intervention
Subjects who have been already wearing any from specified design type of PAL
Group II: The other PAL design wearersActive Control1 Intervention
Subjects who have been already wearing any from the other design type of PAL
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Progressive Additional Lenses (PAL), pre calibrated and made of polymeric material with anti-reflection coating
2020
N/A
~160

Find a Location

Who is running the clinical trial?

Western University of Health SciencesLead Sponsor
23 Previous Clinical Trials
1,383 Total Patients Enrolled
Hoya Cooperation Vision CareUNKNOWN
Frank Spors, Ph.D.Principal InvestigatorWestern University of Health Sciences

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.
Recent research and studies
clinicaltrials.govStudy
Assessment of Three Basic Progressive Lens Designs
2021. "Assessment of Three Basic Progressive Lens Designs". ClinicalTrials.gov. https://clinicaltrials.gov/ct2/show/NCT05252871.
~24 spots leftby Apr 2025
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