Summary
This review examines the health risks of blue light emitted by LED digital screens, including accommodative symptoms (blurred vision, diplopia, dry eye, headache), ocular pathologies, and sleep disruption. It evaluates different types of blue-light-blocking lens filters as a clinical prescription tool to mitigate these effects.
Key Findings
- Excessive blue light exposure from LED screens is associated with accommodative and vergence symptoms including blurred near/far vision, diplopia, dry eye, burning, and headache.
- Blue light can cause pathological damage to the cornea, crystalline lens, and retina, as well as endocrine disruption manifesting as sleep difficulties.
- Multiple categories of blue-light-blocking lens filters exist with differing spectral blocking profiles, requiring differentiated clinical prescription approaches.
Categories
Eye Health & Vision: Reviews ocular damage from blue light exposure including corneal, lens, and retinal pathology, and evaluates blue-light-blocking lenses as a preventive measure.
Sleep & Circadian Health: Discusses endocrine disruption and sleep difficulties caused by blue light from LED screens as a systemic health concern.
Author(s)
AY Toda, RT Sonoda
Publication Year
2022
Number of Citations
1
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