From what I understand, backlit shines directly in your eyes, whereas frontlit, means it shines the opposite direction, away from your eyes, though for sure you would get some reflected light.
Older folk are more susceptible when it comes to impact on eyes, and it isn't just what you can detect yourself obviously, the difference is more subtle than that for most folk, though the actual impact in reality can be much bigger.
But hey, I don't want to get into an argument about E-Ink versus other screen technology.
I know I prefer E-Ink, and that's good enough for me. Each user will come to their own determination, based on their understanding of things or experience.
There's a lot of contradictory data out there, so I just follow the logic as best I can.
I know my eyes get impacted sooner over time, when using a non E-Ink device to read. That is certainly the case when I use my Samsung 10" tablet for the few reads I need to use it for (biographies, graphic novels, etc). Staring briefly at either type of device, doesn't show any or much difference in a short space of time, so that can be misleading, and no doubt I suspect, why many feel the benefit of E-Ink is a myth, or just feel any frontlit benefit is a myth.
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