The first - generation Kindle weighed 10.3 ounces and offered a paperlike E Ink display that
keeps eyestrain at bay (as compared with the backlit displays of cell phones and other mobile devices).
Not exact matches
If you're serious about reducing
eyestrain,
keep the 20-20-20 rule in mind: Every 20 minutes, stare at something roughly 20 yards away for around 20 seconds.
The high res, low - glare E Ink screens read just like print on paper to minimize
eyestrain, so you can
keep on reading.