Mitigating Blue-Light Risk in Display-Based Digital Therapeutics: A Practical Framework to Support Clinical Efficacy

Feb 27, 2026Journal of clinical medicine

Reducing Blue Light Risks in Screen-Based Digital Treatments: A Practical Guide to Improve Clinical Benefits

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Abstract

Display-driven optical stimuli may influence therapeutic efficacy by affecting melatonin levels and circadian rhythms.

  • Blue light exposure, particularly in the 450-480 nm range during the evening, is linked to melatonin suppression.
  • Melanopsin-mediated pathways in the retina are associated with disruptions in circadian timing.
  • Circadian disruption has potential downstream effects on mood, cognition, cardiovascular health, and metabolism.
  • Increased exposure to blue light may correlate with a higher risk of cancer and skin damage.
  • Distinct hazards are identified between retinal photochemical risk and circadian-disruptive effects based on light wavelength.
  • Mitigation strategies include engineering display spectrums, using optical filters, and implementing software controls for optimal therapeutic use.

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