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Papilledema (right) revealed by scanning laser ophthalmoscopy (top) and laser Doppler imaging (bottom). Healthy contralateral eye (left). The signs of papilledema that may be seen using an ophthalmoscope include: venous engorgement (usually the first signs) loss of venous pulsation; hemorrhages over and/or adjacent to the optic disc
Foster Kennedy syndrome is a constellation of findings associated with tumors of the frontal lobe. [1]Although Foster Kennedy syndrome is sometimes called "Kennedy syndrome", [2] it should not be confused with Kennedy disease, or spinal and bulbar muscular atrophy, which is named after William R. Kennedy.
In microgravity, the cranial venous system has been put into minimal outflow and maximal obstruction. This then causes a cascade of cranial venous hypertension, which decreases CSF resorption from the arachnoid granulations, leading to intracranial hypertension and papilledema. The venous hypertension also contributes to the head swelling seen ...
Long-term untreated papilledema leads to visual loss, initially in the periphery but progressively towards the center of vision. [ 5 ] [ 9 ] Physical examination of the nervous system is typically normal apart from the presence of papilledema, which is seen on examination of the eye with a small device called an ophthalmoscope or in more detail ...
Papilledema that is not yet chronic will not have as dramatic an effect on vision. Because increased intracranial pressure can cause both papilledema and a sixth nerve palsy, papilledema can be differentiated from papillitis if esotropia and loss of abduction are also present. However, esotropia may also develop secondarily in an eye that has ...
The causes of macular edema are numerous and different causes may be inter-related. It is commonly associated with diabetes.Chronic or uncontrolled diabetes type 2 can affect peripheral blood vessels including those of the retina which may leak fluid, blood and occasionally fats into the retina causing it to swell.
Henry George Friesen CC OM FRSC (born July 31, 1934) is a Canadian endocrinologist, a distinguished professor emeritus of the University of Manitoba and the discoverer of human prolactin, [1] a hormone which stimulates lactation in mammary glands.
Photograph of an infant with Fraser syndrome. It is characterized by developmental defects including cryptophthalmos (where the eyelids fail to separate in each eye), and intersex development in the genitals (such as micropenis or clitoromegaly) and cryptorchidism. [3]