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While that may improve sleep, it may also made driving less safe. With blue light it is easy for eyes to focus. In fact there is a theory that significant incre
by fpoling 10y ago
While that may improve sleep, it may also made driving less safe. With blue light it is easy for eyes to focus. In fact there is a theory that significant increase in myopia during the last 100 years is caused by eye work under artificial light without blue color, like from ordinary light bulb...
Edit: I should have written "without blue light in spectrum eyes work harder". Basically any deviation from the spectrum of Sun have cosequences for eyes performance long term
http://www.eyedolatryblog.com/2014/02/myopia-may-be-reversible.html?m=1 http://www.eyedolatryblog.com/2014/02/myopia-may-be-reversib...
- honkhonkpants 10y agoFirst time I've heard that it is easy to focus blue light. https://www.google.com/search?q=is+it+hard+to+focus+on+blue+light https://www.google.com/search?q=is+it+hard+to+focus+on+blue+...
- fpoling 10y agoI should wrote about focusing in light without blue component, not focusing under blue light. http://www.eyedolatryblog.com/2014/02/myopia-may-be-reversible.html?m=1 http://www.eyedolatryblog.com/2014/02/myopia-may-be-reversib...
- witty_username 10y agoApart from psychological effects, there is no reason why blue light should be easier to focus (the change in refractive index for different wavelengths is marginal).