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Brain tumor patients also appear to decline in vision, and dizziness associated with headache, and fatigue are often mistaken for eyes. Once the negligent misuse of governance, until after the blind go for medical treatment, although surgical removal of brain tumors, but the possibility of visual recovery has been minimal.

Person’s eye like a micro-camera, black-box has become in effect the Fanshan membrane and choroid; have the equivalent aperture of the pupil; has the role of the lens with the condenser, has a similar retinal photosensitive film. The eyes, optic nerve and emerged as the hub of any place ” fault “, the visually impaired will appear.

Jurisdiction of the optic nerve conduction of visual, running the process in the brain, some nerve fibers around cross, and its surrounding region is the pituitary craniopharyngioma brain tumor and a good site. As a result of the early symptoms of the tumor was not obvious, once the tumor is gradually increasing, optic nerve compression can be caused by cross-optic atrophy, leading to a sharp fall in visual acuity or even blindness.

In addition to the sexual brain tumor caused decreased visual acuity, but also often accompanied by visual field defect, the patient was insight into the object-image picture, and often need to squint crooked the head. Headache is one of the main disease. If the tumor is located in the optic nerve cross-site, while pain-prone in the dual temporal, prefrontal, orbital, the nasion Department, showing a sense of pain; such as severe headache accompanied by nausea, vomiting, and this prompt tumor intracranial hypertension has entered the late stage.

In short, where the decline in vision accompanied by the above-mentioned performance, should attach great importance to the effort to make the early diagnosis and timely surgery for the partial restoration of vision possible.