I use anti glare screen protectors for all my devices because I am very sensitive to light. I am so sensitive that even the glare on the screen reflected back into my eyes give me a problem. If turning brightness down and using dark backgrounds helps you, an anti glare screen protector might help as well. Here's what I am using on my Tab S, and I have used this brand on other devices as well -
http://www.amazon.com/gp/product/B00...rch_detailpage