Trial Outcomes & Findings for Evaluating Contact Lens Optics (NCT NCT05028790)

NCT ID: NCT05028790

Last Updated: 2024-02-06

Results Overview

Low contrast visual acuity was measured for each participant while wearing each of the two lenses

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

16 participants

Primary outcome timeframe

Through completion of study visit, an average of 2.5 hours

Results posted on

2024-02-06

Participant Flow

Participant milestones

Participant milestones
Measure
Single Vision Soft Contact Lens First, Then Multifocal Soft Contact Lens
Participants wore the single vision soft contact lens first, then the multifocal soft contact lens
Multifocal Soft Contact Lens First, Then Single Vision Soft Contact Lens
Participants wore the multifocal soft contact lens first, then the single vision soft contact lens
First Intervention (40 Mins)
STARTED
9
7
First Intervention (40 Mins)
COMPLETED
9
7
First Intervention (40 Mins)
NOT COMPLETED
0
0
Washout (5 Mins)
STARTED
9
7
Washout (5 Mins)
COMPLETED
9
7
Washout (5 Mins)
NOT COMPLETED
0
0
Second Intervention (40 Mins)
STARTED
9
7
Second Intervention (40 Mins)
COMPLETED
9
7
Second Intervention (40 Mins)
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Evaluating Contact Lens Optics

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Single Vision Soft Contact Lens First, Then Multifocal Soft Contact Lens
n=9 Participants
Participants wore the single vision soft contact lens first, then the multifocal soft contact lens
Multifocal Soft Contact Lens First, Then Single Vision Soft Contact Lens
n=7 Participants
Participants wore the multifocal soft contact lens first, then the single vision soft contact lens
Total
n=16 Participants
Total of all reporting groups
Age, Continuous
25.11 years
STANDARD_DEVIATION 1.83 • n=99 Participants
24 years
STANDARD_DEVIATION 1.15 • n=107 Participants
24.63 years
STANDARD_DEVIATION 1.63 • n=206 Participants
Sex: Female, Male
Female
8 Participants
n=99 Participants
6 Participants
n=107 Participants
14 Participants
n=206 Participants
Sex: Female, Male
Male
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
9 Participants
n=99 Participants
7 Participants
n=107 Participants
16 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
2 Participants
n=99 Participants
3 Participants
n=107 Participants
5 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=99 Participants
0 Participants
n=107 Participants
3 Participants
n=206 Participants
Race (NIH/OMB)
White
4 Participants
n=99 Participants
4 Participants
n=107 Participants
8 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Region of Enrollment
United States
9 Participants
n=99 Participants
7 Participants
n=107 Participants
16 Participants
n=206 Participants

PRIMARY outcome

Timeframe: Through completion of study visit, an average of 2.5 hours

Low contrast visual acuity was measured for each participant while wearing each of the two lenses

Outcome measures

Outcome measures
Measure
Single Vision Contact Lens
n=9 Participants
Low contrast visual acuity measured while participants were wearing the single vision soft contact lens
Multifocal Contact Lens
n=7 Participants
Spherical equivalent refractive error measured while participants were wearing the multifocal soft contact lens
Visual Performance
0.23 logMAR
Standard Deviation 0.08
0.38 logMAR
Standard Deviation 0.12

SECONDARY outcome

Timeframe: Through completion of study visit, an average of 2.5 hours

Refraction was measured after cycloplegia with two drops of 1% tropicamide hydrochloride. Spherical equivalent refractive error was then measured 3 times with an aberrometer and averaged.

Outcome measures

Outcome measures
Measure
Single Vision Contact Lens
n=16 Participants
Low contrast visual acuity measured while participants were wearing the single vision soft contact lens
Multifocal Contact Lens
n=16 Participants
Spherical equivalent refractive error measured while participants were wearing the multifocal soft contact lens
Spherical Equivalent Refractive Error On-axis
0.61 D
Standard Deviation 0.46
0.17 D
Standard Deviation 0.44

SECONDARY outcome

Timeframe: Through completion of study visit, an average of 2.5 hours

Cycloplegic spherical equivalent refractive error was measured 3 times with an aberrometer and averaged.

Outcome measures

Outcome measures
Measure
Single Vision Contact Lens
n=16 Participants
Low contrast visual acuity measured while participants were wearing the single vision soft contact lens
Multifocal Contact Lens
n=16 Participants
Spherical equivalent refractive error measured while participants were wearing the multifocal soft contact lens
Spherical Equivalent Refractive Error at 30 Degrees Temporal Retina
0.68 D
Standard Deviation 1.03
-1.20 D
Standard Deviation 1

SECONDARY outcome

Timeframe: Through completion of study visit, an average of 2.5 hours

Cycloplegic spherical equivalent refractive error was measured 3 times with an aberrometer and averaged.

Outcome measures

Outcome measures
Measure
Single Vision Contact Lens
n=16 Participants
Low contrast visual acuity measured while participants were wearing the single vision soft contact lens
Multifocal Contact Lens
n=16 Participants
Spherical equivalent refractive error measured while participants were wearing the multifocal soft contact lens
Spherical Equivalent Refractive Error at 20 Degrees Temporal Retina
0.52 D
Standard Deviation 0.68
-1.30 D
Standard Deviation 0.44

SECONDARY outcome

Timeframe: Through completion of study visit, an average of 2.5 hours

Cycloplegic spherical equivalent refractive error was measured 3 times with an aberrometer and averaged.

Outcome measures

Outcome measures
Measure
Single Vision Contact Lens
n=16 Participants
Low contrast visual acuity measured while participants were wearing the single vision soft contact lens
Multifocal Contact Lens
n=16 Participants
Spherical equivalent refractive error measured while participants were wearing the multifocal soft contact lens
Spherical Equivalent Refractive Error at 20 Degrees Nasal Retina
0.67 D
Standard Deviation 0.58
-0.17 D
Standard Deviation 0.57

SECONDARY outcome

Timeframe: Through completion of study visit, an average of 2.5 hours

Cycloplegic spherical equivalent refractive error was measured 3 times with an aberrometer and averaged.

Outcome measures

Outcome measures
Measure
Single Vision Contact Lens
n=16 Participants
Low contrast visual acuity measured while participants were wearing the single vision soft contact lens
Multifocal Contact Lens
n=16 Participants
Spherical equivalent refractive error measured while participants were wearing the multifocal soft contact lens
Spherical Equivalent Refractive Error at 30 Degrees Nasal Retina
0.77 D
Standard Deviation 0.70
-0.75 D
Standard Deviation 0.60

Adverse Events

Single Vision Contact Lens

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Multifocal Contact Lens

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

David A Berntsen, OD PhD

University of Houston

Phone: 713-743-5836

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place