What effect does the repetition of word eye have in this passage?

In this passage, the repetition of the word "eye" creates a sense of urgency and immediacy. It draws the reader's attention to the importance of the eyes and emphasizes the need to take action to protect them. The repetition also helps to create a rhythm and flow to the passage, making it more engaging and memorable. Additionally, the repetition of "eye" reinforces the idea that the eyes are a powerful tool that can be used for good or for evil, depending on how they are used.