The DOI matches its Crossref record; 34 of the 35 references it cites were found in a registry or an index.
Blue Blocker Glasses as a Countermeasure for Alerting Effects of Evening Light-Emitting Diode Screen Exposure in Male Teenagers
Open accessAbstract
Purpose Adolescents prefer sleep and wake times that are considerably delayed compared with younger children or adults. Concomitantly, multimedia use in the evening is prevalent among teenagers and involves light exposure, particularly in the blue-wavelength range to which the biological clock and its associated arousal promotion system is the most sensitive. We investigated whether the use of blue light-blocking glasses (BB) during the evening, while sitting in front of a light-emitting diode (LED) computer screen, favors sleep initiating mechanisms at the subjective, cognitive, and physiological level.Methods The ambulatory part of the study comprised 2 weeks during which the sleep-wake cycle, evening light exposure, and multimedia screen use were monitored in thirteen 15- to 17-year-old healthy male volunteers. BB or clear lenses as control glasses were worn in a counterbalanced crossover design for 1 week each, during the evening hours while using LED screens. Afterward, participants entered the laboratory and underwent an evening blue light-enriched LED screen exposure during which they wore the same glasses as during the preceding week. Salivary melatonin, subjective sleepiness, and vigilant attention were regularly assayed, and subsequent sleep was recorded by polysomnography.Results Compared with clear lenses, BB significantly attenuated LED-induced melatonin suppression in the evening and decreased vigilant attention and subjective alertness before bedtime. Visually scored sleep stages and behavioral measures collected the morning after were not modified.Conclusions BB glasses may be useful in adolescents as a countermeasure for alerting effects induced by light exposure through LED screens and therefore potentially impede the negative effects modern lighting imposes on circadian physiology in the evening.
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“blue light blocking glasses have been shown to reduce the alerting effects of blue light in the evening [14]”
From Preliminary Results: The Impact of Smartphone Use and Short-Wavelength Light during the Evening on Circadian Rhythm, Sleep and Alertness (2021) · cites this paper as [14]
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“wearing blue light blocking glasses while sitting in front of a LED-screen attenuated the induced melatonin suppression [14].”
From Preliminary Results: The Impact of Smartphone Use and Short-Wavelength Light during the Evening on Circadian Rhythm, Sleep and Alertness (2021) · cites this paper as [14]
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“Previous studies also showed the strongest effect of evening short-wavelength light on sleepiness and alertness levels during the light exposure itself [5,14,49].”
From Preliminary Results: The Impact of Smartphone Use and Short-Wavelength Light during the Evening on Circadian Rhythm, Sleep and Alertness (2021) · cites this paper as [14]
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Metadata
- Authors
- van der Lely, S., Frey, S., Garbazza, C., Wirz-Justice, A., Jenni, O. G., Steiner, R., Wolf, S., Cajochen, C., Bromundt, V., & Schmidt, C.
- Affiliations
- University of Basel (CH)
- University Children's Hospital Zurich (CH)
- Technische Universität Ilmenau (DE)
- Corresponding author
- Bromundt, Vivien
- Venue
- Journal of Adolescent Health
- Publisher
- Elsevier BV
- Published
- 2015-01
- Volume
- 56
- Issue
- 1
- Pages
- 113-119
- ISSN
- 1054-139X (ISSN-L)
- OpenAlex
- W2168827309
- Cited by
- 290
- References
- 35
- Citations by year
- 2026: 15 · 2025: 17 · 2024: 18 · 2023: 26 · 2022: 37 · 2021: 28 · 2020: 31 · 2019: 31 · 2018: 29 · 2017: 18 · 2016: 25 · 2015: 14
- FWCI
- 9.41
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Adolescent Health (publishedVersion)
- PubMed (publishedVersion)
- Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
- Open Repository and Bibliography (University of Liège) (submittedVersion)
- Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
- Zurich Open Repository and Archive (University of Zurich)
- Funders
- Jacobs Foundation
- Topics
- Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
- Keywords
- blue light blocking glasses, blue light exposure, adolescents, melatonin suppression, circadian rhythm, sleep onset, alertness, sustained attention, sleep-wake cycle, screen time
- MeSH terms
- Adolescent, Attention, Circadian Rhythm, Eye Protective Devices, Humans, Lighting, Male, Melatonin, Photic Stimulation, Sleep, Sleep Stages, Switzerland, Wakefulness, Computer Terminals, Polysomnography, Cross-Over Studies
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