A different space of all secretive eyes.
In different cultural, eye has a very different meaning. The Eye of Horus in Egyptian mythology has a divine meaning, while the legendary evil eye in European and American culture mean a vicious glance can lead to misfortune, disease and even death, and later became a amulet.
In traditional Chinese culture, the eye is basically not as decorative patterns, it is a symbol of spirituality. It is very prudent to add an eye to an inanimate creature.