We see what we want to see.
Our eyes are always pointing at things we are interested in approaching, or investigating, or looking for, or having. We must see, but to see, we must aim, so we are always aiming. Our minds are built on the hunting-and-gathering platforms of our bodies. To hunt is to specify a target, track it, and throw at it. To gather is to specify and to grasp.
We are always and simultaneously at a point “A”(which is less desirable than it could be), moving towards point “B”(which we deem better, by our explicit and implicit values). We live in a framework that defines the present as eternally lacking and the future as eternally better.
If we didn't see things this way, we would not act at all. We wouldn't even able to see, because to see we must focus, and to focus we must pick one thing above all else on which to focus. The dependency of sight on aim is the key to how you deal with the overwhelming complexity of the world, you ignore it, while you concentrate minutely on your private concerns.
You see things that facilitate your movement forward, towards your desired goals. You detect obstacles when they pop up in your path. You are blind to everything else. And it has to be that way because there is much more of the world than there is of you. You must shepherd your limited resources carefully. Seeing is very difficult, so you must choose what to see, and let the rest go.