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Medical Definition of Cranial mononeuropathy III
1. (compression type) A disorder involving vision changes and eyelid drooping associated with a decreased functioning of cranial nerve III. Damage is usually caused by compression of the nerves from localised lesions or a swelling in the area of the nerve. Examples include cerebral aneurysms and tumours Symptoms include a drooping eyelid and double vision. (diabetic type) A disorder involving vision changes and eyelid drooping associated with a decreased functioning of cranial nerve III as a complication of diabetes. Symptoms include a drooping eyelid and double vision. Good control of blood sugars can reduce the incidence of this complication. (27 Sep 1997)