Terson’s Syndrome is a condition where increased pressure in the head leads to bleeding into the back cavity of the eye which is called the vitreous. These are often dramatic and significantly obstruct and impair vision. Common causes are ruptured aneurysms and a sudden increase in intra-cranial pressure. Unlike bleeding in the eye from diabetes or hypertension, these hemorrhages are extremely slow to reabsorb and can take well over a year. They can be effectively treated by doing an eye surgery called a vitrectomy. This removes the vitreous and the blood from the back of the eye. It can affect both eyes rendering the patient blind. I have seen patients who were labeled as cortically blind, or psychotic because of the blood in both eyes. Once removed from the first eye there is usually a dramatic improvement.
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