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Related Concept Videos

Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
Muscles of the Eye01:20

Muscles of the Eye

The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
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Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
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Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Disorders of the Skeletal Muscle

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Updated: Jun 28, 2026

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
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Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

[Ocular motor disorders in multiple sclerosis].

M-B Rougier1, C Tilikete

  • 1Unité Rétine-Uvéites-Neuro-ophtalmologie, Service d'Ophtalmologie, Hôpital Pellegrin - CHU de Bordeaux, Bordeaux, France. marie-benedicte.renaud-rougier@chu-bordeaux.fr

Journal Francais D'Ophtalmologie
|October 31, 2008
PubMed
Summary
This summary is machine-generated.

Ocular motility disorders, like oscillopsia and diplopia, are common in multiple sclerosis (MS). These often-underdiagnosed symptoms can indicate disease activity or progression, impacting prognosis and treatment decisions.

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Area of Science:

  • Neuroscience
  • Ophthalmology

Context:

  • Multiple sclerosis (MS) is a leading cause of neurological disability in young adults.
  • Neuro-ophthalmological issues are frequent in MS, with optic neuritis being the most recognized.
  • Ocular motility disorders are often overlooked due to asymptomatic presentation.

Purpose:

  • To review the significance of ocular motility disorders in multiple sclerosis.
  • To discuss oscillopsia and diplopia as key symptoms of these disorders.
  • To highlight their role in diagnosing disease dissemination and prognosis.

Summary:

  • Eye movement abnormalities in MS stem from brain-stem and cerebellum lesions.
  • Acute onset suggests new demyelinating lesions, potentially requiring systemic treatment.
  • Chronic progression of these disorders may offer prognostic insights.

Impact:

  • Increased awareness of underdiagnosed ocular motility disorders in MS.
  • Potential for earlier detection of disease activity through neuro-ophthalmological assessment.
  • Improved understanding of how these symptoms relate to MS prognosis and management.