The vitreous is the transparent, colourless, gelatinous mass that fills the space between the lens of the eye and the retina lining the back of the eye.
At the risk of making a pun, the answer should be obvious. Human eyes are better in some ways than the eyes of most creatures. Our field of vision is more limited, but it is stereoscopic and allows...
Dust, dirt, sand, or other airborne material can lodge in the eyes, causing minor irritation and redness. More serious damage can be caused by hard or sharp objects that penetrate the surface and...