Question

___________ affects your vision because your eye muscles are tired, along with the rest of your body, and it is difficult to focus.

Answer 1

human eye
im think that is the answer im not sure 
because the human eye is affected 
 for the eye muscles 

Answer 2

Answer:

Fatigue affects your vision because your eye muscles are tired, along with the rest of your body, and it is difficult to focus.

Explanation:

BRAINLIEST ANSWER PLEASE!