Trial Outcomes & Findings for Myopia Assessment of Two Manufacturing Processes (NCT NCT04126057)

NCT ID: NCT04126057

Last Updated: 2022-01-25

Results Overview

Change in axial length progression over time between DOT spectacle lenses manufactured by method A versus method B Axial length progression is defined as an axial length elongation that is attributable to myopia.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

50 participants

Primary outcome timeframe

6 months

Results posted on

2022-01-25

Participant Flow

Unit of analysis: Eyes

Participant milestones

Participant milestones
Measure
DOT Spectacle Lenses Test
Single vision, impact-resistant spectacles using SightGlass Vision DOT spectacle lenses, manufacturing method A SightGlass Vision DOT Spectacle Lenses: Subjects randomized to test vs control, left eyes and right eyes
DOT Spectacle Lenses Control
Single vision, impact-resistant spectacles using SightGlass Vision DOT spectacle lenses, manufacturing method B SightGlass Vision DOT Spectacle Lenses: Subjects randomized to test vs control, left eyes and right eyes
Overall Study
STARTED
50 50
50 50
Overall Study
COMPLETED
47 47
46 46
Overall Study
NOT COMPLETED
3 3
4 4

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Myopia Assessment of Two Manufacturing Processes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
DOT Spectacle Lenses Test
n=43 Eyes
Single vision, impact-resistant spectacles using SightGlass Vision DOT spectacle lenses, manufacturing method A SightGlass Vision DOT Spectacle Lenses: Subjects randomized to test vs control, left eyes and right eyes
DOT Spectacle Lenses Control
n=43 Eyes
Single vision, impact-resistant spectacles using SightGlass Vision DOT spectacle lenses, manufacturing method B SightGlass Vision DOT Spectacle Lenses: Subjects randomized to test vs control, left eyes and right eyes
Total
n=86 Eyes
Total of all reporting groups
Age, Categorical
<=18 years
43 Eyes
n=14 Eyes
43 Eyes
n=23 Eyes
86 Eyes
n=50 Eyes
Age, Categorical
Between 18 and 65 years
0 Eyes
n=14 Eyes
0 Eyes
n=23 Eyes
0 Eyes
n=50 Eyes
Age, Categorical
>=65 years
0 Eyes
n=14 Eyes
0 Eyes
n=23 Eyes
0 Eyes
n=50 Eyes
Age, Continuous
11.67 years
STANDARD_DEVIATION 2.073 • n=5 Participants
11.67 years
STANDARD_DEVIATION 2.073 • n=7 Participants
11.67 years
STANDARD_DEVIATION 2.073 • n=5 Participants
Sex: Female, Male
Female
21 Eyes
n=14 Eyes
21 Eyes
n=23 Eyes
42 Eyes
n=50 Eyes
Sex: Female, Male
Male
22 Eyes
n=14 Eyes
22 Eyes
n=23 Eyes
44 Eyes
n=50 Eyes
Ethnicity (NIH/OMB)
Hispanic or Latino
6 Eyes
n=14 Eyes
6 Eyes
n=23 Eyes
12 Eyes
n=50 Eyes
Ethnicity (NIH/OMB)
Not Hispanic or Latino
37 Eyes
n=14 Eyes
37 Eyes
n=23 Eyes
74 Eyes
n=50 Eyes
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Eyes
n=14 Eyes
0 Eyes
n=23 Eyes
0 Eyes
n=50 Eyes
Race (NIH/OMB)
American Indian or Alaska Native
5 Eyes
n=14 Eyes
5 Eyes
n=23 Eyes
10 Eyes
n=50 Eyes
Race (NIH/OMB)
Asian
2 Eyes
n=14 Eyes
2 Eyes
n=23 Eyes
4 Eyes
n=50 Eyes
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Eyes
n=14 Eyes
0 Eyes
n=23 Eyes
0 Eyes
n=50 Eyes
Race (NIH/OMB)
Black or African American
9 Eyes
n=14 Eyes
9 Eyes
n=23 Eyes
18 Eyes
n=50 Eyes
Race (NIH/OMB)
White
27 Eyes
n=14 Eyes
27 Eyes
n=23 Eyes
54 Eyes
n=50 Eyes
Race (NIH/OMB)
More than one race
0 Eyes
n=14 Eyes
0 Eyes
n=23 Eyes
0 Eyes
n=50 Eyes
Race (NIH/OMB)
Unknown or Not Reported
0 Eyes
n=14 Eyes
0 Eyes
n=23 Eyes
0 Eyes
n=50 Eyes
Region of Enrollment
United States
43 Eyes
n=14 Eyes
43 Eyes
n=23 Eyes
86 Eyes
n=50 Eyes

PRIMARY outcome

Timeframe: 6 months

Change in axial length progression over time between DOT spectacle lenses manufactured by method A versus method B Axial length progression is defined as an axial length elongation that is attributable to myopia.

Outcome measures

Outcome measures
Measure
DOT Spectacle Lenses Using Test
n=43 Eyes
Single vision, impact-resistant spectacles using SightGlass Vision DOT spectacle lenses, manufacturing method A SightGlass Vision DOT Spectacle Lenses: Subjects randomized to test vs control, left eyes and right eyes
DOT Spectacle Lenses Using Control
n=43 Eyes
Single vision, impact-resistant spectacles using SightGlass Vision DOT spectacle lenses, manufacturing method B SightGlass Vision DOT Spectacle Lenses: Subjects randomized to test vs control, left eyes and right eyes
Change in Axial Length Progression From Baseline
0.046 mm
Standard Deviation 0.139
0.047 mm
Standard Deviation 0.128

Adverse Events

DOT Spectacle Lenses Using Test

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

DOT Spectacle Lenses Using Control

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

Joe Rappon, OD, MS, FAAC

SightGlass Vision, Inc.

Phone: 678-642-9117

Results disclosure agreements

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

Restriction type: OTHER