extraocular muscles

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Related to extraocular muscles: Cranial nerves

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 ?
1] OAS consists of paralysis of all the extraocular muscles and a sensory deficit in the distribution of the first division of the trigeminal nerve, combined with an optic nerve lesion.
In the current case, visual acuity and chemosis improved, but other items such as soft tissue involvement and extraocular muscle involvement still had elevated scores [Table 1].
It is determined that this technique have some advantages such as visibility to extraocular muscle in all stage in operation, adhesive syndrome complication and other complications is seen more less in this technique, and more less invasive technique.
Orbital IgG4-RD is reported to involve not only the lacrimal gland but also other ocular adnexal tissues such as the extraocular muscles, lacrimal sac, orbital adipose tissue, periorbital membranes, and eyelids (10,11).
To the best of our knowledge this is the first case report of AIP with extraocular muscles involvement from Pakistan.
Roy, an ophthalmologist in private practice who specializes in cataract surgery, provides students, research fellows, optometrists, ophthalmologists, and eye care practitioners with a guide listing the differential diagnosis of specific ocular diseases, organized by anatomic organ--the orbit, lids, lacrimal system, extraocular muscles, conjunctiva, globe, sclera, cornea, anterior chamber, pupil, iris, lens, vitreous, retina, choroid, and optic nerve--in addition to visual field defects and intraocular pressure and ending with a section on general signs and symptoms such as visual disturbance or complaint and head position.
Cranial osteopathy focused on the sphenobasilar joint and the most likely places for intracranial entrapment neuropathy of oculomotor, trochlearis, and abducens nerves, which regulate intra- and extraocular muscles.
The team also found evidence suggesting that the role of the extraocular muscles switches with changes of eye position.
Visual acuity, extraocular muscles, light reflex, and accommodation should also be examined.
5) Facial and neck flexor muscles may be affected, and, rarely, extraocular muscles.
It begins with a summary chapter readers can use as a refresher or background, then proceeds to describe the anatomy and physiology of the bony orbit, eyebrows, eyelids, the lacrimal system, extraocular muscles and the globe, conjunctiva, episclera, sclera, cornea, anterior and posterior chambers, the posterior segment, visual pathways, nerve and vascular supply, and lymphatics.
Each eye is attached to six muscles, the extraocular muscles, which move the eye.

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