Would depend on the context, if you say it to the person you love, I think you could say The world is in your eyes, but if you tell a friend as advice to motivate there you say the world is in front of your eyes, take it . I think that

Depends on meaning. I can't tell exactly what you're trying to say, but i'd go with, "The world is in your eyes," or, "I can see the world in your eyes," if you're talking about complimenting somebody.