Blue light glasses can manipulate (i.e., inhibite) body melatonine production to re-adjust the circadian rhythm of shift workers, thereby having the potential to enhance viglance, cognitive function, and positive mood during night shift work.
ID
Bron
Verkorte titel
Aandoening
Not applicable
Ondersteuning
Onderzoeksproduct en/of interventie
Uitkomstmaten
Primaire uitkomstmaten
The primary outcome measure of the current study is need for recovery, as measured with the 11-item Need for Recovery Scale from the Dutch Questionnaire on the Experience and Evaluation of Work (Van Veldhoven, & Broersen, 2003). Higher scores indicate an increased need for recovery.
Achtergrond van het onderzoek
In this study, the effectiveness of blue light glasses in night shifts of security guards from the Netherlands Armed Forces Security Agency is evaluated. A randomised controlled cross-over trial is performed, with half of the study population using light glasses in a 5-week work shift schedule (comprising approx. 7 night shifts), and half of the study population using the light glasses during the following 5-week block schedule. Primary outcome is the need for recovery (validated quesionnaire); secondary outcome measures include fatigue, motivation, concentration, and physical activity (validated quesionnaire), as well as indications of stress and lack of physiological recovery as measured with a fitness tracker. The trial will be performed in the first half of 2021.
Doel van het onderzoek
Blue light glasses can manipulate (i.e., inhibite) body melatonine production to re-adjust the circadian rhythm of shift workers, thereby having the potential to enhance viglance, cognitive function, and positive mood during night shift work.
Onderzoeksopzet
Baseline, week 5 (after 1st shift work block schedule), and week 10 (after 2nd shift work block schedule)
Onderzoeksproduct en/of interventie
Wearing blue light glasses for 30 minutes in the first half of a night shift
Publiek
Wetenschappelijk
Belangrijkste voorwaarden om deel te mogen nemen (Inclusiecriteria)
Healthy volunteers from the Netherlands Armed Forces Security Agency aged 18 to 67 years.
Belangrijkste redenen om niet deel te kunnen nemen (Exclusiecriteria)
Individuals with diseases of the retina (e.g., macular degeneration) were excluded from the study, as were security guards who were not capable of fulfilling their duty tasks without wearing their own glasses.
Opzet
Deelname
Voornemen beschikbaar stellen Individuele Patiënten Data (IPD)
Toelichting
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In overige registers
| Register | ID |
|---|---|
| NTR-new | NL9458 |
| CCMO | NL76088.028.20 |
| OMON | NL-OMON49280 |