What is the vitreous?
The vitreous is a jelly like material that fills most of the space inside the eye. As we age, the vitreous often liquefies and may collapse. This is more likely to occur, and occurs much earlier, in the eyes that are nearsighted (myopia). It can also occur after injuries to the eye or inflammation in the eye.
What is the retina?
The retina is a thin sheet of light sensitive nerve tissue that lines the inside of the eye. It is the tissue that turns light into an electrical signal to send to the brain. It can be compared to the film of a camera