extraocular muscles

(redirected from Ocular muscles)

ex·tra·oc·u·lar mus·cles (EOM),

the muscles within the orbit but outside of eyeball, including the four rectus muscles (that is, superior, inferior, medial and lateral); two oblique muscles (that is, superior and inferior), and the levator of the superior eyelid (that is, levator palpebrae superioris).

extraocular muscles (EOMs)

the six sets of muscles that control movements of the eyeball. They are the superior rectus and inferior rectus, which move the eye up and down; the medial rectus and the lateral rectus, which move the eye to either side; and the superior oblique and inferior oblique, which move the eye downward and inward, and upward and inward, respectively.

ex·tra·oc·u·lar mus·cles

(eks'tră-ok'yū-lăr mŭs'ĕlz) [TA]
The muscles within the orbit including the four rectus muscles (superior, inferior, medial, and lateral), two oblique muscles (superior and inferior), and the levator of the superior eyelid (levator palpebrae superioris).

Extraocular muscles

The muscles (lateral rectus, medial rectus, inferior rectus, superior rectus, superior oblique, and inferior oblique) that move the eyeball.
Mentioned in: Eye Muscle Surgery
References in periodicals archive ?
When the ocular muscles were involved, the malformed veins showed a diffuse distribution with starry appearance and no signs of interconnection.
MG typically begins with weakness in the ocular muscles and often progresses to the more severe and generalised form, known as gMG, to include weakness of the head, neck, trunk, limb and respiratory muscles.
Sudden onset double vision is invariably the result of a breakdown in the normal function of the nerve supply to the extra ocular muscles, either following a vascular accident or trauma.
Relaxation of ocular muscles due to effective peterson block may also have been responsible for temporary decrease in intraocular pressure.
So I went one better: the Alexandra Eye Pavilion in Edinburgh made me a beautiful false eye in acrylic, much thicker than a contact lens, which sits over the eyeball and is moved by my ocular muscles just like the real thing.
Myasthenia gravis is an autoimmune disorder of neuromuscular signal transmission, resulting in fatigable weakness that commonly involves the ocular muscles and can also involve the respiratory muscles.
Sometimes the viscera may be involved like heart ocular muscles pharynx parotid glands pleurae peritoneum spleen or liver.
MG may affect the ocular muscles alone or cause a generalised muscle weakness.
The diagnosis of ocular MG was applied to those subjects with MG symptoms confined to the ocular muscles for the duration of their clinic attendance.
In this article, it was emphasized that the sensitivity of extraocular muscles against snake envenomation might be related to some main features of the neuromuscular conjunction as in diseases involving specifically ocular muscles including myastenia gravis.
Since those nerves naturally regulate all ocular muscles, it was important to ensure that they were not compromised along their path.
CS syndrome is suspected when retro-orbital pain is accompanied by involvement of 1 or more cranial nerves to the ocular muscles.