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Contact Lens

Single vision soft contact lens first, then multifocal soft contact lens for Near-sightedness

N/A
Waitlist Available
Led By David A Berntsen, OD, PhD
Research Sponsored by David A Berntsen, OD PhD
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up through completion of study visit, an average of 2.5 hours
Awards & highlights

Study Summary

This trial will compare how well two types of soft contact lenses correct vision and how they affect overall vision quality.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~through completion of study visit, an average of 2.5 hours
This trial's timeline: 3 weeks for screening, Varies for treatment, and through completion of study visit, an average of 2.5 hours for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Visual Performance
Secondary outcome measures
Spherical Equivalent Refractive Error On-axis
Spherical Equivalent Refractive Error at 20 Degrees Nasal Retina
Spherical Equivalent Refractive Error at 20 Degrees Temporal Retina
+2 more

Trial Design

2Treatment groups
Experimental Treatment
Group I: Single vision soft contact lens first, then multifocal soft contact lensExperimental Treatment2 Interventions
Participants wore the single vision soft contact lens first, then a multifocal soft contact lens
Group II: Multifocal soft contact lens first, then single vision soft contact lensExperimental Treatment2 Interventions
Participants wore the multifocal soft contact lens first, then the single vision soft contact lens
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Single vision contact lens
2022
N/A
~40
Multifocal contact lens
2022
N/A
~40

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Who is running the clinical trial?

David A Berntsen, OD PhDLead Sponsor
1 Previous Clinical Trials
24 Total Patients Enrolled
David A Berntsen, OD, PhDPrincipal InvestigatorUniversity of Houston College of Optometry
2 Previous Clinical Trials
109 Total Patients Enrolled

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What is the aggregate figure of individuals taking part in this clinical trial?

"Affirmative. According to the clinicaltrials.gov, this research is presently seeking participants; it was posted on February 27th of 2022 and revised for the last time on March 7th of the same year. The study requires 12 individuals from 1 site for completion."

Answered by AI

Who meets the criteria to participate in this research?

"This clinical study has a limited number of 12 participants and there is a strict age requirement; patients must be between 18 to 39 years old, and have myopia."

Answered by AI

Are any additional individuals being accepted into this clinical experiment at the present time?

"The details found on clinicaltrials.gov reveal that this experiment is actively looking for participants, having first been published to the platform during February 27th 2022 and being recently updated as of March 7th 2022."

Answered by AI

Do individuals who are 40 years of age or older qualify for this research project?

"This medical trial is currently accepting individuals aged between 18 and 39."

Answered by AI
Recent research and studies
clinicaltrials.govStudy
Evaluating Contact Lens Optics
David A Berntsen, OD PhD 2022. "Evaluating Contact Lens Optics". ClinicalTrials.gov. https://clinicaltrials.gov/ct2/show/NCT05028790.
~5 spots leftby Apr 2025
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