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Color and Pupil Function

NCT ID: NCT02636140

Last Updated: 2016-11-02

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-02-29

Study Completion Date

2016-08-31

Brief Summary

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This study will examine the effects of different colors of light on pupil function and alertness.

Detailed Description

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Conditions

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Pupil

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Light

Randomized amount and color of light

Group Type EXPERIMENTAL

Light

Intervention Type OTHER

A brief, 1 minute exposure to light of varying color and intensity. The combination of color and intensity will be the same in all participants, but the order in which they are received is randomized.

Interventions

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Light

A brief, 1 minute exposure to light of varying color and intensity. The combination of color and intensity will be the same in all participants, but the order in which they are received is randomized.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Aged 18-35
* Good health

Exclusion Criteria

* Sleep disorder
* Extreme chronotype
* Smoker
* Abnormal color vision
* Ocular pathology (other than mild or moderate refractive error)
* Visual field defects
* Alcohol abuse
* Use of illegal drugs
Minimum Eligible Age

18 Years

Maximum Eligible Age

35 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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VA Palo Alto Health Care System

FED

Sponsor Role lead

Responsible Party

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Jamie M. Zeitzer, Ph.D.

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Other Identifiers

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IRB-36326

Identifier Type: -

Identifier Source: org_study_id