Why iPads are worse than PCs
With an iPad, you hold the screen closer to your eyes than a desktop. The sample study used just 13 volunteers, viewing iPads for 2 hours, which seems like an excessively long time.
No research was done on the non-glare Kindle. There is more research that needs to be done. However, does this research ring true with you ?
Source: Based on an article in The Week, 22 Sep 2012. Article first appeared in the Daily Telegraph