Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Pivot Concepts:
Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Target Concepts:
Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Query: UMLS:C0038454 (
stroke
)
147,016
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Blindness means no light perception. In that case one observes a fixed dilated pupil. An unilateral amaurosis of sudden onset is caused either by an ocular or an optic nerve condition. The most common causes are: --occlusion of the central retinal artery --
apoplexy
of the papilla --traumatic lesions to the optic nerve
Bilateral blindness
occurring suddenly is for anatomic reasons due to a chiasmatic lesion. It is mainly associated with pituitary
apoplexy
. More commonly bilateral blindness develops sequentially and may be discovered only after the second event. Besides other ocular diseases bilateral occipital brain infarction has to be considered.
...
PMID:[Sudden blindness]. 223 65