search
Back to results

Evaluating Contact Lens Optics

Primary Purpose

Myopia

Status
Completed
Phase
Not Applicable
Locations
United States
Study Type
Interventional
Intervention
Single vision contact lens
Multifocal contact lens
Sponsored by
David A Berntsen, OD PhD
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional other trial for Myopia

Eligibility Criteria

18 Years - 39 Years (Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Able to read and understand the informed consent document
  • 18 to 39 years of age (inclusive)
  • Best corrected visual acuity of 20/25 or better in the right eye
  • Refractive error from -1.00D to -6.00D with astigmatism less than or equal to -1.00D in the right eye (corneal plane)

Exclusion Criteria:

  • Any ocular or systemic conditions affecting vision, refraction, or the ability to wear a soft contact lens
  • History of ocular trauma or surgery causing abnormal or distorted vision
  • Current Rigid Gas Permeable (RGP) contact lens wearers
  • Unwilling to have contact lens fit photographed
  • Pregnant and/or lactating females, by self-report

Sites / Locations

  • University of Houston

Arms of the Study

Arm 1

Arm 2

Arm Type

Other

Other

Arm Label

Single vision contact lens

Multifocal contact lens

Arm Description

Subjects will wear a single vision soft contact lens during the study visit

Subjects will wear a multifocal soft contact lens during the study visit

Outcomes

Primary Outcome Measures

Visual performance
Low contrast visual acuity will be measured for each subject while wearing each of the two lenses

Secondary Outcome Measures

Refractive error
Refractive error will be measured for each subject while wearing each of the two lenses

Full Information

First Posted
August 25, 2021
Last Updated
May 22, 2023
Sponsor
David A Berntsen, OD PhD
search

1. Study Identification

Unique Protocol Identification Number
NCT05028790
Brief Title
Evaluating Contact Lens Optics
Official Title
Evaluating Contact Lens Optics
Study Type
Interventional

2. Study Status

Record Verification Date
May 2023
Overall Recruitment Status
Completed
Study Start Date
February 27, 2022 (Actual)
Primary Completion Date
December 13, 2022 (Actual)
Study Completion Date
December 13, 2022 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor-Investigator
Name of the Sponsor
David A Berntsen, OD PhD

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
Yes
Product Manufactured in and Exported from the U.S.
No

5. Study Description

Brief Summary
This study will evaluate changes in refractive error and visual performance between a single vision soft contact lens and multifocal soft contact lens

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Myopia

7. Study Design

Primary Purpose
Other
Study Phase
Not Applicable
Interventional Study Model
Crossover Assignment
Masking
Participant
Allocation
Randomized
Enrollment
16 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Single vision contact lens
Arm Type
Other
Arm Description
Subjects will wear a single vision soft contact lens during the study visit
Arm Title
Multifocal contact lens
Arm Type
Other
Arm Description
Subjects will wear a multifocal soft contact lens during the study visit
Intervention Type
Device
Intervention Name(s)
Single vision contact lens
Other Intervention Name(s)
comfilcon A
Intervention Description
Subjects will wear a single vision soft contact lens only during the study visit
Intervention Type
Device
Intervention Name(s)
Multifocal contact lens
Other Intervention Name(s)
comfilcon A
Intervention Description
Subjects will wear a multifocal soft contact lens only during the study visit
Primary Outcome Measure Information:
Title
Visual performance
Description
Low contrast visual acuity will be measured for each subject while wearing each of the two lenses
Time Frame
Through completion of study visit, an average of 2.5 hours
Secondary Outcome Measure Information:
Title
Refractive error
Description
Refractive error will be measured for each subject while wearing each of the two lenses
Time Frame
Through completion of study visit, an average of 2.5 hours

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
39 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Able to read and understand the informed consent document 18 to 39 years of age (inclusive) Best corrected visual acuity of 20/25 or better in the right eye Refractive error from -1.00D to -6.00D with astigmatism less than or equal to -1.00D in the right eye (corneal plane) Exclusion Criteria: Any ocular or systemic conditions affecting vision, refraction, or the ability to wear a soft contact lens History of ocular trauma or surgery causing abnormal or distorted vision Current Rigid Gas Permeable (RGP) contact lens wearers Unwilling to have contact lens fit photographed Pregnant and/or lactating females, by self-report
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
David A Berntsen, OD, PhD
Organizational Affiliation
University of Houston College of Optometry
Official's Role
Principal Investigator
Facility Information:
Facility Name
University of Houston
City
Houston
State/Province
Texas
ZIP/Postal Code
77204
Country
United States

12. IPD Sharing Statement

Plan to Share IPD
No

Learn more about this trial

Evaluating Contact Lens Optics

We'll reach out to this number within 24 hrs