Eyes are the most important sense we have. Without eyes a large portion of our communication efficiency will be lost. Eyes can be used for long range communication without disturbing others. Imagine living without reading anything. Imagine living without touch screens. Imagine living without color lights.
Health of eyes is extremely important yet is one of those things that get easily overlooked. Optionally we can decide to not take care of our eyes and develop a talent like this kid who is like the real life Daredevil:
eyes indeed is the among the most vital organ of the body