WebMD Answers

The
retina is a thin membrane of nerve tissue that lines
the back of the
eye
. Retinal detachment occurs when the inner layer of
the retina separates from the wall of the eye.
The nerve cells in the retina normally detect light entering the eye and send signals to the brain about what the eye sees. But when the retina detaches, it no longer works correctly. It can cause blurred and lost vision. Retinal detachment requires immediate medical care. If done soon enough, surgery can save lost vision.
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