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 ?
I had not appreciated that this paralyses all of the ocular muscles so that the eye and eyelid loses all movement.
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.
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.
Patients with generalized myasthenia or disease restricted to ocular muscles.
Also included are tips on simple exercises you can do at home to make ocular muscles more efficient, information on a free brochure on eye health and allergies, and advice on how to protect your eyes from dangerous UV rays.
Ocular side effects include mydriasis, cycloplegia, dry eyes, nystagmus, and the paresis of ocular muscles.
At the age of 13 months, she was seen by a pediatric ophthalmologist, whose examination found a steady and maintained gaze in both eyes in addition to the prominent left head turn (figure 1, A), a position that is often adopted by a child with ocular muscle misalignment to avoid double vision.
Which of the following characteristics is typical of a mechanical rather than neurogenic ocular muscle palsy?