Low-energy light bulbs, computers, tablets and the blue light hazard

The introduction of low energy lighting and the widespread use of computer and mobile technologies have changed the exposure of human eyes to light. Occasional claims that the light sources with emissions containing blue light may cause eye damage raise concerns in the media. The aim of the study wa...

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Bibliographic Details
Published in:Eye (London) 2016-02, Vol.30 (2), p.230-233
Main Authors: O'Hagan, J B, Khazova, M, Price, L L A
Format: Article
Language:English
Subjects:
Cambridge Ophthalmological Symposium
Computers
Computers, Handheld
Humans
Light - adverse effects
Lighting - instrumentation
Radiation Injuries - etiology
Retina - radiation effects
Retinal Diseases - etiology
Smartphone
Spectrum Analysis
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Summary:The introduction of low energy lighting and the widespread use of computer and mobile technologies have changed the exposure of human eyes to light. Occasional claims that the light sources with emissions containing blue light may cause eye damage raise concerns in the media. The aim of the study was to determine if it was appropriate to issue advice on the public health concerns. A number of sources were assessed and the exposure conditions were compared with international exposure limits, and the exposure likely to be received from staring at a blue sky. None of the sources assessed approached the exposure limits, even for extended viewing times.
ISSN:0950-222X
1476-5454
DOI:10.1038/eye.2015.261