What does your eyes are open mean?

Explanation:

If you say that you did something with your eyes open or with your eyes wide open, you mean that you knew about the problems and difficulties that you were likely to have. We want all our members to undertake this trip responsibly, with their eyes open.

remember, the goal of an adjective clause is to add more information to a noun or a pronoun. as you can see from the examples above, you can add information by including a longer adjective clause or tighten up a sentence by turning the adjective clause into an adjective phrase.