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[10] The onset of blepharospasm tends to be during the ages 40–60. [8] [10] [11] The condition is roughly more than twice as frequent among females than males, [7] [8] [11] which may be related to menopause and hormone treatments. [12] [13] In Taiwan, the condition is more frequent among white- than blue-collar workers. [8]
Benign fasciculation syndrome (BFS) is characterized by fasciculation (twitching) of voluntary muscles in the body. [1] The twitching can occur in any voluntary muscle group but is most common in the eyelids, arms, hands, fingers, legs, and feet. The tongue can also be affected. The twitching may be occasional to continuous. [2]
A fasciculation, or muscle twitch, is a spontaneous, involuntary muscle contraction and relaxation, involving fine muscle fibers. [1] They are common, with as many as 70% of people experiencing them. [ 1 ]
After cataract surgery, patients with diabetes mellitus are generally acknowledged to have an increased risk of macular edema. [12] A prior history of retinal vein occlusion was the only significant preoperative risk factor in a large retrospective series of 1659 consecutive cataract surgeries. [13]
Intraoperative floppy iris syndrome (IFIS) is a complication that may occur during cataract extraction in certain patients. This syndrome is characterized by a flaccid iris which billows in response to ordinary intraocular fluid currents, a propensity for this floppy iris to prolapse towards the area of cataract extraction during surgery, and progressive intraoperative pupil constriction ...
The Greek word blepharon means "eyelid". Spasm means "uncontrolled muscle contraction". The term blepharospasm ['blef-a-ro-spaz-m] can be applied to any abnormal blinking or eyelid tic or twitch resulting from any cause, ranging from dry eyes to Tourette's syndrome to tardive dyskinesia. The blepharospasm referred to here is officially called ...
(H02.5) Stye, an acne type infection of the sebaceous glands on or near the eyelid. (H02.6) Xanthelasma of eyelid (H03.0*) Parasitic infestation of eyelid in diseases classified elsewhere Dermatitis of eyelid due to Demodex species ( B88.0+ ) Parasitic infestation of eyelid in: leishmaniasis ( B55.-+ ) loiasis ( B74.3+ ) onchocerciasis ( B73+ )
Myokymia is commonly used to describe an involuntary eyelid muscle contraction, typically involving the lower eyelid or less often the upper eyelid. It occurs in normal individuals and typically starts and disappears spontaneously. However, it can sometimes last up to three weeks.