A number of monitor manufacturers (ViewSonic, for example) have recently added a 'blue light filter' to the list of features for their latest models. Designed to minimise eye fatigue when monitors are viewed for long periods, this feature is most probably a response to media reports claiming that extended exposure to high levels of blue light is linked to irreversible eye damage.

trk-blue-leds.jpg
5mm blue LEDs with a clear encapsulation. Image: Wikipedia

A web search on 'blue light + LED eye damage' delivers many hits on articles repeating claims that looking at mobile phone and computer displays can cause eye damage. These all seem to be rel ...

Upgrade now to get the whole story

Start your free trial