Question

read the passage. then answer the question. tired eyes many people need to use a computer for long periods to work or study, but this can result in health problems such as eye fatigue, or tiredness. however, there are ways to prevent or lessen eye fatigue. signs of eye fatigue while looking at a computer screen, the eyes become tired because they must constantly move and refocus. people also blink less, drying out the eyes and blurring vision. even after the computer is off, people may have headaches, eye strain, or difficulty focusing. their eyes may be dry, red, and irritated. read this sentence from the passage. people also blink less, drying out the eyes and blurring vision. which best explains how this sentence supports the topic of eye fatigue? a it tells how to prevent eye fatigue. b it explains how people use their eyes to read. c it describes effects of eye fatigue. d it shows that computer use never harms eyes.

Explanation:

The sentence "People also blink less, drying out the eyes and blurring vision" describes what happens to the eyes due to reduced blinking, which are symptoms or effects related to eye fatigue when using a computer. It does not tell how to prevent eye - fatigue, nor does it explain how people use their eyes to read, and it contradicts the idea that computer use never harms eyes.

Answer:

C. It describes effects of eye fatigue.