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Sir Charles Bell. Bell's phenomenon (also known as the palpebral oculogyric reflex [1]) is a medical sign that allows observers to notice an upward and outward movement of the eye, when an attempt is made to close the eyes. The upward movement of the eye is present in the majority of the population, and is a defensive mechanism. [2]
The symptoms may be temporarily alleviated by sensory tricks (geste antagoniste) including stretching or rubbing the eyebrows, eyelids, or forehead, [19] and singing, talking, or humming. [20] Blepharospasm is aggravated by fatigue, stress, and environmental factors such as wind or air pollution.
Initial symptoms include restlessness, agitation, malaise, or a fixed stare. Then comes the more characteristically described extreme and sustained upward deviation of the eyes. In addition, the eyes may converge, deviate upward and laterally, or deviate downward.
Symptoms include weakness or paralysis on one side of the face, a drooping mouth and eyebrow, drooling, and trouble closing one eyelid. The NIH says the cause of the condition isn’t known.
The ringing of the bell produces what is regarded as an auspicious sound. Hindu temples generally have one metal bell hanging at the entrance and devotees ring the bell while entering the temple which is an essential part in preparation of having a darshan .
[4] [7] Symptoms may include headache, pain over the temples, flu-like symptoms, double vision, and difficulty opening the mouth. [3] Complications can include blockage of the artery to the eye with resulting blindness, as well as aortic dissection, and aortic aneurysm. [4] GCA is frequently associated with polymyalgia rheumatica. [4]
Diplopia is also increased on looking to the affected side and is partly caused by overaction of the medial rectus on the unaffected side as it tries to provide the extra innervation to the affected lateral rectus. These two muscles are synergists or "yoke muscles" as both attempt to move the eye over to the left or right. The condition is ...
Horner's syndrome, also known as oculosympathetic paresis, [1] is a combination of symptoms that arises when a group of nerves known as the sympathetic trunk is damaged. The signs and symptoms occur on the same side (ipsilateral) as it is a lesion of the sympathetic trunk.