There’s the popular statement: “your eyes are the windows to your soul”, and the same can be said inversely—that the eyes are the windows through which the soul observes the world. In that sense, you can’t help but imagine what it would be like to perceive the wonders all around without a good eyesight. The truth is, asking people to take proper care of their eyes is so cliché these days, yet you’d be surprised at the way people take them for granted and pay little attention until something goes wrong.
The human body is an interrelated organism so that what affects one part can potentially and ultimately do catastrophic damage to a totally different part, or to the rest of the body. A typical example is a severe eye disorder known as Diabetic Retinopathy that affects people with diabetes.