Narrow-band blue-light treatment of seasonal affective disorder in adults and the influence of additional nonseasonal symptoms

Strong, Robert E.; Marchant, Barrie K.; Reimherr, Frederick W.; Williams, Erika D.; Soni, Prashant; Mestas, Ruth

doi:10.1002/da.20538

Cited by 70 publications

(52 citation statements)

References 12 publications

(10 reference statements)

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“…The few studies in real-life settings show a clear trend: at least on the subjective level, participants exposed to bright or blue-enriched light tend to feel better and perceive themselves as more alert and less tired. Taken together, the laboratory results, field study evidence, and the fact that blue-enriched light is used as therapeutical tool in treating seasonal affective disorder (44,(45)(46)(47) point to blue-enriched light as a potentially powerful agent.…”

mentioning

confidence: 93%

Blue-enriched office light competes with natural light as a zeitgeber

Vetter¹,

Juda²,

Lang³

et al. 2011

Scand J Work Environ Health

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mentioning

confidence: 93%

Blue-enriched office light competes with natural light as a zeitgeber

Vetter¹,

Juda²,

Lang³

et al. 2011

Scand J Work Environ Health

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“…Previous studies suggest that blue light has the capacity to alter an individual's moods. 22 This suggests that the basal ganglia may share similar reactions to the influence of blue light. The connection between the limbic system and the basal ganglia is known as the neostriatum.…”

Section: Discussionmentioning

confidence: 99%

Chiropractic care using a functional neurologic approach for idiopathic cervical dystonia in a 59-year-old woman

Bova¹,

Sergent

2013

Journal of Chiropractic Medicine

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Objective: The purpose of this case report is to describe the care and outcomes of a patient with cervical dystonia who was treated using chiropractic and other alternative medicine interventions. Clinical Features: A 59-year-old woman had an 11-year history of cervical dystonia. She had an uncontrollable 60°leftward head rotation upon shutting her eyes and had spasmodic contractions that caused fatigue. Intervention and Outcome: The management consisted of blue-lensed glasses, vibration stimulation, spinal manipulation, and eye-movement exercises. Within the first week of treatment, she had a reduction in symptoms, which was documented using a functional numeric scale, and improved posture, which was assessed using measurements from her midsternal line to the center of her chin. Conclusion: This patient with cervical dystonia responded to the use of conservative, nonpharmacological treatment procedures that consisted of chiropractic care using a functional neurologic approach aimed at improving her spasmodic contractions and function.

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“…However, previous studies demonstrated that an intensity of at least 2,000 lux was required to produce positive effects on depression [45], [46]. Remarkably, studies that used low intensity light (176, 400, 1,000 and 1,500 lux) also showed improvements in depression scores [9], [11], [34], [41] suggesting that even low intensity light was effective on mood alleviation. All colours of light (blue, green and white) were effective in improving mood.…”

Section: Light Characteristicsmentioning

confidence: 93%

“…Diagnostic and Statistical Manual of Mental Disorders -III Revision and -IV (DSM-III-R and -IV) were prevalent diagnostic questionnaires in selected articles. Twenty-one studies used Hamilton Depression Rating Scale (HDRS) for scoring mood states [9], [11], [15], [16], [20][21][22][23], [30], [32], [34][35][36][37][38][39][40][41][42][43][44]. The other studies used scales such Geriatric Depression Scale, Major Depression Inventory and The International Classification of Diseases.…”

Section: Resultsmentioning

confidence: 99%

“…Its effectiveness may be due to the presence of blue and green colours as components of white light [47]. Indeed, the supra-chiasmatic nucleus (SCN) is sensitive to changes in bright light of white, blue and green and change of seasons [12], [23], [34], [39], [41]. The SCN controls circadian rhythms, which dictates the timing of physical, behavioural and mental patterns [9].…”

Section: Light Characteristicsmentioning

confidence: 99%

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A systematic review of light therapy on mood scores in major depressive disorder: light specification, dose, timing and delivery

Alotaibi

Halaki

Chow

2015

IJBAS

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Background: Depression is associated with prolonged disability, mortality, and morbidity. Ninety percent of patients with Major depressive disorder (MDD) have sleep problems. Light therapy has been shown to be effective in treating sleep disorders and MDD. This review aims to assess the characteristics (colour, intensity), exposure dose (duration and timing) and the mode of delivery (light boxes, visor etc) of light in reducing depression, measured by mood scores, in MDD. Method: a systematic literature search was performed on 6 major databases. The Physiotherapy Evidence Database (PEDro) Scale was applied to assess study quality. Result: Twenty-four articles satisfied the inclusion criteria. Effective light intensities varied from 176 -10,000 lux. Effective modes of delivery included light box, table lamp, visor and light emitting diode (LED) glasses. Effective light colours included white, green, and blue with the white colour being the most commonly used. The duration of light treatment ranged from 30 min to 2 h, and evening light generally improved mood. Conclusion: Light therapy, with exposure durations in the range of 30 min to 2 h per day, intensity range of 176 to 10,000 lux, in any of blue, green, or white light colour and exposure during morning mostly demonstrated a positive change in mood effects. Factors other than the light properties, such as anti-depressant medication use, depression episodes and severity, natural light exposure and sleep deprivation may confound the effects of light therapy.

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Narrow-band blue-light treatment of seasonal affective disorder in adults and the influence of additional nonseasonal symptoms

Cited by 70 publications

References 12 publications

Blue-enriched office light competes with natural light as a zeitgeber

Blue-enriched office light competes with natural light as a zeitgeber

Chiropractic care using a functional neurologic approach for idiopathic cervical dystonia in a 59-year-old woman

A systematic review of light therapy on mood scores in major depressive disorder: light specification, dose, timing and delivery

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