Light to Maximize Vision, Minimize Insomnia

Toileting at Night in Older Adults: Light to Maximize Vision, Minimize Insomnia

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01712243

Enrollment

Registered

2012-10-23

Start date

2013-12-31

Completion date

2016-09-30

Last updated

2016-11-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Postural Balance

Brief summary

The purpose of this study is to determine whether specific wavelengths of light at night can be used to improve mobile balance while simultaneously not increasing alertness.

Interventions

OTHERLight

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

BASIC_SCIENCE

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

55 Years to 85 Years

Healthy volunteers

Yes

Inclusion criteria

* Aged 55-85 * At least 20/200 corrected visual acuity * Greater than 20° visual field with no lower visual field loss * Stable health * Male or female * Normal color vision * Normal hearing

Exclusion criteria

* Extreme chronotype * Sleep disorders * Dementia * Smoker * Depression * Alcohol abuse * Use of illegal drugs * Use of sleep/wake altering drugs on an acute or as needed basis (including nutraceuticals, antihistamines) * Use of light sensitizing drugs * Self-reported history of nocturia (\>3 times per night)

Design outcomes

Primary

Measure	Time frame	Description
Mobile balance	15 minutes	Mobile balance as determined using a GaitRite walkway
Alertness	15 minutes	Alertness as determined by electroencephalographic power density

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026