I have both the PW2 and voyage. I do have eye issues with light. I keep my voyage and PW2 at a level 10 went reading I never read at night with out my lamp on my night stand. And I leave the light level on my devices at a 10. I do not have any problems with it. But I do have to say that due to my eye issues that my glasses do have a tint to them and that tint does change with the light levels.
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