Light to Maximize Vision, Minimize Insomnia

Completed · Not applicable

Conditions studied: Postural Balance

In brief

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.

Key facts

Study ID

NCT01712243

Run by

VA Palo Alto Health Care System

People needed

29

Starts

2013-12-01

Expected to finish

2016-09-01

Last updated by the study team

2016-11-02

Who can join

Age: 55 and older, up to 85. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 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

You may not qualify if…

• 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)

Where it is running

• VA Palo Alto Health Care System — Palo Alto, California, United States

Full record on ClinicalTrials.gov

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