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  2. Internuclear ophthalmoplegia - Wikipedia

    en.wikipedia.org/wiki/Internuclear_ophthalmoplegia

    Specialty. Ophthalmology. Internuclear ophthalmoplegia ( INO) is a disorder of conjugate lateral gaze in which the affected eye shows impairment of adduction. When an attempt is made to gaze contralaterally (relative to the affected eye), the affected eye adducts minimally, if at all. The contralateral eye abducts, however with nystagmus.

  3. One and a half syndrome - Wikipedia

    en.wikipedia.org/wiki/One_and_a_half_syndrome

    Neuromyelitis optica spectrum disorder. Myasthenia Gravis. The one and a half syndrome is a rare weakness in eye movement affecting both eyes, in which one cannot move laterally at all, and the other can move only in outward direction. More formally, it is characterized by " a conjugate horizontal gaze palsy in one direction and an internuclear ...

  4. Chronic progressive external ophthalmoplegia - Wikipedia

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

    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 ...

  5. Medial longitudinal fasciculus - Wikipedia

    en.wikipedia.org/wiki/Medial_longitudinal_fasciculus

    The medial longitudinal fasciculus is the main central connection for the oculomotor nerve, trochlear nerve, and abducens nerve. It carries information about the direction that the eyes should move. Lesions of the medial longitudinal fasciculus can cause nystagmus and diplopia, which may be associated with multiple sclerosis, a neoplasm, or a ...

  6. Medial pontine syndrome - Wikipedia

    en.wikipedia.org/wiki/Medial_pontine_syndrome

    Medial pontine syndrome. Pons. (Medial pontine syndrome affects structures at the bottom of the diagram: the corticospinal tract, abducens nerve, and occasionally the facial nerve. Medial lemniscus is also affected, but not pictured.) Medial inferior pontine syndrome is a condition associated with a contralateral hemiplegia. [citation needed] ".

  7. Parinaud's syndrome - Wikipedia

    en.wikipedia.org/wiki/Parinaud's_syndrome

    Parinaud's syndrome is a constellation of neurological signs indicating injury to the dorsal midbrain. More specifically, compression of the vertical gaze center at the rostral interstitial nucleus of medial longitudinal fasciculus (riMLF). It is a group of abnormalities of eye movement and pupil dysfunction and is named for Henri Parinaud [ 6 ...

  8. Signs and symptoms of multiple sclerosis - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms_of...

    The signs and symptoms of multiple sclerosis (MS) encompass a wide range of neurological and physical manifestations, including vision problems, muscle weakness, coordination difficulties, and cognitive impairment, varying significantly in severity and progression among individuals. Multiple sclerosis can cause a variety of symptoms: changes in ...

  9. Foville's syndrome - Wikipedia

    en.wikipedia.org/wiki/Foville's_syndrome

    Foville's syndrome. Foville's syndrome is caused by the blockage of the perforating branches of the basilar artery in the region of the brainstem known as the pons. [ 1] It is most frequently caused by lesions such as vascular disease and tumors involving the dorsal pons. Structures affected by the lesion are the dorsal pons (pontine tegmentum ...