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  2. Extraocular muscles - Wikipedia

    en.wikipedia.org/wiki/Extraocular_muscles

    Extraocular muscles. The extraocular muscles, or extrinsic ocular muscles, are the seven extrinsic muscles of the eye in humans and other animals. [1] Six of the extraocular muscles, the four recti muscles, and the superior and inferior oblique muscles, control movement of the eye. The other muscle, the levator palpebrae superioris, controls ...

  3. Trochleitis - Wikipedia

    en.wikipedia.org/wiki/Trochleitis

    Trochleitis. Trochleitis is inflammation of the superior oblique tendon trochlea apparatus characterized by localized swelling, tenderness, and severe pain. This condition is an uncommon but treatable cause of periorbital pain. The trochlea is a ring-like apparatus of cartilage through which passes the tendon of the superior oblique muscle.

  4. Oculomotor nerve palsy - Wikipedia

    en.wikipedia.org/wiki/Oculomotor_nerve_palsy

    Oculomotor nerve palsy or oculomotor neuropathy[1] is an eye condition resulting from damage to the third cranial nerve or a branch thereof. As the name suggests, the oculomotor nerve supplies the majority of the muscles controlling eye movements (four of the six extraocular muscles, excluding only the lateral rectus and superior oblique).

  5. Recurrent painful ophthalmoplegic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Recurrent_painful...

    Recurrent painful ophthalmoplegic neuropathy (RPON), previously known as ophthalmoplegic migraine (OM), is a rare neurological disorder that is characterized by repeated headache attacks and reversible ipsilateral paresis of one or more ocular cranial nerves (CN). [1] Oculomotor nerve (CNIII) is by far the most common cranial nerve involves in ...

  6. Why Does My Neck Always Hurt? 5 Causes to Explain the Pain - AOL

    www.aol.com/why-does-neck-always-hurt-202000336.html

    Neck pain causes can be anything from sleeping in an uncomfortable position to serious neurological concerns. Experts explain causes, diagnosis, and treatments.

  7. Synkinesis - Wikipedia

    en.wikipedia.org/wiki/Synkinesis

    Synkinesis is a neurological symptom in which a voluntary muscle movement causes the simultaneous involuntary contraction of other muscles. An example might be smiling inducing an involuntary contraction of the eye muscles, causing a person to squint when smiling. Facial and extraocular muscles are affected most often; in rare cases, a person's ...

  8. Chronic progressive external ophthalmoplegia - Wikipedia

    en.wikipedia.org/wiki/Chronic_progressive...

    Weakness of extraocular muscle groups including, the orbicularis oculi muscle as well as facial and limb muscles may be present in up to 25% of patients with CPEO. As a result of the orbicularis oculi weakness, patients may suffer from exposure keratopathy (damage to cornea) from the inability to close the eyes tightly.

  9. Eye movement - Wikipedia

    en.wikipedia.org/wiki/Eye_movement

    Six extraocular muscles facilitate eye movement. These muscles arise from the common tendinous ring (annulus of Zinn) in the orbit (eye cavity), and attach to the eyeball. The six muscles are the lateral, medial, inferior and superior recti muscles, and the inferior and superior oblique muscles. The muscles cause movement of the eyeball by ...

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