Why do my eyes hurt when I look all the way up, down, left, right, etc. but my eyes feel just fine when looking stright?

Hm

Take a flashlight and open your eye very wide and try to see if you see something clear and bubble where the color of your eye is by looking in a mirror make sure the lights are off in the bathroom if you see something clear or worm shaped (not actually a worm) this is because string on the eye by not enough sleep and having a light on your eyes for a very long time I get them all the time once this happens I just catch up on sleep and boom it's gone

Why indeed.

Can you do that all over again, please?

By far the most common cause of this type of pain, especially if it is occurring in both eye, it has to be a simply strain of the eye muscles