It is caused by the shape of eyeballs that change over time that has nothing to do with what you are looking at. You can get temporary eye strain in what you describe, and you stop what you are doing and get some rest. PS - You have found one of the words that mean different things in the US vs UK.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.