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Optic-disc edema of Grade 0-2; CSF opening pressure ≤ 25 cm H 2 O; Class 4 Institute treatment protocol as per Clinical Practice Guideline ≥ 0.50 diopter cycloplegic refractive changes and/or cotton-wool spot; Optic nerve sheath distention, and/or globe flattening and/or choroidal folds and/or scotoma; Optic-disc edema Grade 2 or above
Papilledema or papilloedema is optic disc swelling that is caused by increased intracranial pressure due to any cause. [1] The swelling is usually bilateral and can occur over a period of hours to weeks. [2] Unilateral presentation is extremely rare. In intracranial hypertension, the optic disc swelling most commonly occurs bilaterally.
The natural progression of NAION following acute vision loss typically includes an improvement in visual acuity by 3 or more lines on the Early Treatment Diabetic Retinopathy Study (ETDRS) chart in 43% of those not receiving treatment. [50] As the initial swelling of the optic disc subsides, optic atrophy generally develops within one to two ...
Posterior ischemic optic neuropathy is a syndrome of sudden visual loss with optic neuropathy without initial disc swelling with subsequent development of optic atrophy. This can occur in patients who are predisposed to AAION and NAION as described above as well as those who had cardiac and spine surgery or serious episodes of hypotension.
Fundus photographs are ocular documentation that record the appearance of a patient's retina. Optometrists, ophthalmologists, orthoptists and other trained medical professionals use fundus photography for monitoring the progression of certain eye condition/diseases.
True papilledema may present with exudates or cotton-wool spots, unlike ODD. The optic disc margins are characteristically irregular in ODD but not blurred as there is no swelling of the retinal nerve fibers. Spontaneous venous pulsations are present in about 80 percent of patients with ODD, but absent in cases of true disc edema. [6]
Fans take pictures of a statue of late martial-arts legend Bruce Lee in Hong Kong in November 2005. ... "The date was July 20, 1973. The cause of death: cerebral edema, a swelling of the brain ...
Unilateral or bilateral optic disc edema may occur. The exact etiology, pathogenesis and mechanism of the disc edema is unknown. [ 1 ] [ 2 ] Theories suggest that the dis edema is due to retinal vascular leakage into and surrounding the optic nerve and disruption of axoplasmic flow resulting from microvascular disease of the optic nerve head. [ 2 ]
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