Which of the followings can best replace the word eye strain” in Paragraph 4?

Which of the following words best replaces the word eye strain:

A. Eye strain

B. Eye disease

C. Eye fatigue

D. Eye confusion

In paragraph 4: Third, staring at the screen causes eve strain. Staring at a bright screen for hours can lead to eye fatigue or eye strain. We see that there is a phrase eye fatigue or eye strain, so we can infer “eye fatigue = eye strain”