Suggestions for reducing eye strain when on the computer?

[Fiendish Thingy]

5. I got special glasses just for screen use

My normal glasses have an upper section for distance, and a lower section for reading ;

My computer glasses have a sliver at the top for distance, and a sliver at the bottom for reading, but the main section (80%) of the Center of the lens is focused on the distance from my eyes to the monitor, which is different than the distance from my eyes to a book in my lap or a phone/tablet in my hand. When I was still working and typing lots of notes in my computer, the glasses saved me a lot of pain, both in my eyes and in my neck and back from cocking my head to read the screen with my old glasses.