Vision loss can be detrimental. This is one sense that you don't want to ever lose, although over time you may gradually begin to lose your sight. You don't want to lose it altogether, but losing it even slightly can be difficult to have to deal with. Wearing contact lenses and eyeglasses is still better than not having any sight at all. To help prevent vision loss, there may be things you can be doing to help prevent it from occurring in the first place.