Trial Outcomes & Findings for Accommodation Disorders (NCT NCT01329848)

NCT ID: NCT01329848

Last Updated: 2015-01-05

Results Overview

Lag will be measured at different viewing distances and durations using autorefraction. Accommodation error refers to the difference between the distance where the target is located and where the eyes focus. Lag refers error that is under focussed; lead is error that is over focussed. This distance is measured in diopters, or 1/meter.

Recruitment status

COMPLETED

Target enrollment

83 participants

Primary outcome timeframe

3 week period

Results posted on

2015-01-05

Participant Flow

Participant milestones

Participant milestones
Measure
Discomfort Symptoms
levels of discomfort while performing near work
Overall Study
STARTED
83
Overall Study
COMPLETED
54
Overall Study
NOT COMPLETED
29

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Accommodation Disorders

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Discomfort Symptoms
n=83 Participants
level of discomfort symptoms while performing near work
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
83 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Sex: Female, Male
Female
57 Participants
n=5 Participants
Sex: Female, Male
Male
26 Participants
n=5 Participants
Region of Enrollment
United States
83 participants
n=5 Participants
Conlon Symptom Score
24.4 units on a scale
STANDARD_DEVIATION 9.4 • n=5 Participants

PRIMARY outcome

Timeframe: 3 week period

Lag will be measured at different viewing distances and durations using autorefraction. Accommodation error refers to the difference between the distance where the target is located and where the eyes focus. Lag refers error that is under focussed; lead is error that is over focussed. This distance is measured in diopters, or 1/meter.

Outcome measures

Outcome measures
Measure
Discomfort Symptoms
n=54 Participants
level of discomfort symptoms while performing near work
Accommodation Lag 5D
0.9 diopters
Standard Deviation 0.6

SECONDARY outcome

Timeframe: 3 weeks

Measures visual discomfort symptoms while doing near work. 23 item survey using a 4-point rating scale (never, occasionally, often, almost always). Total raw score reported on a range from 0 to 69 with higher scores indicating more frequent symptoms.

Outcome measures

Outcome measures
Measure
Discomfort Symptoms
n=54 Participants
level of discomfort symptoms while performing near work
Conlon Symptom Survey
18.6 units on a scale
Standard Deviation 12.7

Adverse Events

Changes in Visual Discomfort From Baseline

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

Dr. Chris Chase

Western University of Health Sciences

Phone: 909 706-3882

Results disclosure agreements

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