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The orbicularis oculi is a muscle in the face that closes the eyelids. It arises from the nasal part of the frontal bone, from the frontal process of the maxilla in front of the lacrimal groove, and from the anterior surface and borders of a short fibrous band, the medial palpebral ligament . From this origin, the fibers are directed laterally ...
Diagnosis of blepharospasm has been enhanced by the proposal of objective diagnostic criteria that start from "stereotyped, bilateral and synchronous orbicularis oculi spasms" and proceed to the identification of a "sensory trick" or "increased blinking". [38] The criteria have been validated across multiple ethnicities in multiple centers. [39]
The right eye in sagittal section, showing the fascia bulbi. (Tarsi labeled at right.) The tarsi ( sg.: tarsus) or tarsal plates are two comparatively thick, elongated plates of dense connective tissue, about 10 mm (0.39 in) in length for the upper eyelid and 5 mm for the lower eyelid; one is found in each eyelid, and contributes to its form ...
The zygomatic branches of the facial nerve ( malar branches) are nerves of the face. They run across the zygomatic bone to the lateral angle of the orbit. Here, they supply the orbicularis oculi muscle, and join with filaments from the lacrimal nerve and the zygomaticofacial branch of the maxillary nerve (CN V 2 ).
The facial nerve, also known as the seventh cranial nerve, cranial nerve VII, or simply CN VII, is a cranial nerve that emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue. [1] [2] The nerve typically travels from the ...
Chronic progressive external ophthalmoplegia ( CPEO) is a type of eye disorder characterized by slowly progressive inability to move the eyes and eyebrows. [ 1] It is often the only feature of mitochondrial disease, in which case the term CPEO may be given as the diagnosis. In other people suffering from mitochondrial disease, CPEO occurs as ...
Periorbital dark circles. Minor dark circles and a hint of periorbital puffiness —a combination principally suggestive of minor sleep deprivation. Periorbital dark circles (including dark circles of the lower eyelid) are dark blemishes around the eyes. There are many causes of this symptom, including heredity and bruising.
Kevin Jonas has revealed he has undergone surgery to remove a cancerous mole from his forehead. Jonas, 36, shared his experience online on Tuesday, June 11, in an effort to heighten vigilance ...