Are These Glasses Up To Dave's Light Hacking Standards?

http://www.amazon.com/GR003-C1-Ergonomic-Protection-Resistant-53-16-140/dp/B00BQ7KBV4


 


They are a much cheaper alternative to Gunnars. They reduce glare and filter blue light.


 


Are these good enough?


 


If not, does anyone have any recommendations?


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