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Katrina Norfleet
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Posted: 5/4/2016

Blocking blue light improves sleep according to study 

Seattle, Wash. – Building on existing evidence, vision researchers have found that limiting exposure to blue light after sunset increases the quality and length of sleep. The research is being presented at the 2016 Annual Meeting of the Association for Research in Vision and Ophthalmology (ARVO) this week in Seattle, Wash.

Adult subjects wore blue-light blocking glasses from sunset to bedtime. After two weeks, subjects were sleeping 22 minutes longer than they were before the experiment. Sleep quality, subjectively evaluated via survey, also showed significant improvement.Blue light is believed to interfere with the circadian rhythm, which is synchronized to the 24-hour day/night cycle.

Abstract Title: Modulating ipRGC Input to Improve Sleep and Regulate Circadian Rhythm
Presentation Start/End Time: Wednesday, May 4, 2016, 8:30 – 10:15am
Location: Exhibit/Poster Hall
Abstract Number: 4665 - D0036

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The Association for Research in Vision and Ophthalmology (ARVO) is the largest eye and vision research organization in the world. Members include nearly 12,000 eye and vision researchers from over 75 countries. ARVO advances research worldwide into understanding the visual system and preventing, treating and curing its disorders. All abstracts accepted for presentation at the ARVO Annual Meeting represent previously unpublished data and conclusions. This research may be proprietary or may have been submitted for journal publication. Embargo policy: Journalists must seek approval from the presenter(s) before reporting data from paper or poster presentations. Press releases or stories on information presented at the ARVO Annual Meeting may not be released or published until the conclusion of the presentation.

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