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Papilledema or papilloedema is optic disc swelling that is ... as it indicates a risk for tentorial herniation and ... (if this is a contributing factor to increased ...
Recently, central serous chorioretinopathy has been understood to be part of the pachychoroid spectrum. [5] [6] In pachychoroid spectrum disorders, of which CSR represents stage II, the choroid, the highly vascularized layer below the retina, is thickened and congested with increased blood vessel diameter, especially in the deep choroid (the so-called Haller's layer).
Upper respiratory infection, sinus infection, trauma to the eye, ocular or periocular infection, and systemic infection all increase one's risk of orbital cellulitis. Staphylococcus aureus , Haemophilus influenzae type b, Moraxella catarrhalis , Streptococcus pneumoniae , and beta-hemolytic streptococci are bacteria that can be responsible for ...
To minimize the risk of further visual loss in the fellow eye or the same eye, it is essential to reduce the risk factors. Common sense dictates trying to control the cardiovascular risk factors for many reasons, including protection from this happening to the second eye. Sudden vision loss should lead to an ophthalmological consultation.
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 ...
“For instance, factors such as physical activity and social engagement are associated with lower dementia risk, but the study cannot definitively determine whether these behaviors prevent ...
The exact cause of perioperative PION is unknown. Many risk factors have been identified, all of which contribute to inadequate delivery of oxygen to optic nerve cells. Alone, none of these risk factors is enough to cause PION. However, in susceptible individuals, a combination of these risk factors produces devastating blindness.
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