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Light Therapy Glasses

Light Visor, Wearable Light Therapy, SAD Glasses

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Meta Information

ID:light-therapy-glasses
Name:Light Therapy Glasses
Schema Version:1.5

Alternate Names

  • Light Visor
  • Wearable Light Therapy
  • SAD Glasses

Intervention Type

procedure

Expected Cost Mean

Low Cost:
75
High Cost:
250
Cost Type:
equipment
Description:
One-time purchase of a wearable light-emitting device; not covered by insurance.

Summary

Light therapy glasses deliver specific wavelengths of light (typically blue-green) to retinal ganglion cells, signaling the body's master clock, the suprachiasmatic nucleus (SCN). By mimicking morning sunlight, they suppress melatonin production and anchor the circadian rhythm, which is fundamental for regulating sleep-wake cycles, hormone release, and metabolic function, all critical for long-term healthspan.

Purpose

A wearable device to align circadian rhythm for improved sleep and metabolic health.

Card Summary

A wearable device that uses timed light exposure to align the body's internal clock, improving sleep quality and metabolic regulation.

Drug Class

Drugs In Class

Empty Array

Impact

Score:
7.2
Justification:
Directly and effectively entrains foundational circadian biology, impacting sleep, metabolism, and mood.

Evidence

Grade:
A
Score:
9
Justification:
Multiple human RCTs and meta-analyses confirm efficacy for circadian and mood disorders.

Safety

Score:
1.5
Justification:
Non-invasive and generally safe; primary risks are minor, like headache or eye strain.

Flags

  • Use in the evening can severely disrupt sleep onset and quality.
  • Individuals with bipolar disorder should use with caution due to potential mania induction.
  • Consult an ophthalmologist if you have pre-existing retinal conditions.
  • May cause mild headache, eye strain, or nausea upon initial use.

Verdict

A high-impact, safe tool for optimizing foundational circadian rhythm.

Created

2026-04-27T14:15:26.552084Z

Model

Gemini 3.1 Pro (High)

Delivery

Route:
none
Scope:
  • systemic

Indication

Focus:
healthspan
Description:
Light therapy glasses deliver specific wavelengths of light (typically blue-green) to retinal ganglion cells, signaling the body's master clock, the suprachiasmatic nucleus (SCN). By mimicking morning...

Typical Protocol

  • Wear for 20-30 minutes immediately upon waking to suppress melatonin and entrain circadian rhythm.
  • Use for 30 minutes daily during winter months to mitigate seasonal affective disorder (SAD).