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Related Concept Videos

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

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Angle Closure Glaucoma: Treatment

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Optical Coherence Tomography: Imaging Mouse Retinal Ganglion Cells In Vivo
08:17

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Published on: September 22, 2017

[Hereditary optic atrophies].

C Scherer1, V Procaccio, M Ferre

  • 1Département de neurologie, CHU d'Angers, Angers, France.

Revue Neurologique
|November 9, 2010
PubMed
Summary
This summary is machine-generated.

Hereditary optic neuropathies, including Kjer's and Leber's diseases, stem from retinal ganglion cell degeneration. Neurological symptoms may co-occur, necessitating thorough neurological evaluation and brain imaging.

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Area of Science:

  • Ophthalmology and Neurology
  • Genetics and Molecular Biology

Context:

  • Hereditary optic neuropathies are a diverse group of conditions causing retinal ganglion cell degeneration.
  • Common forms include Kjer's disease (autosomal dominant, OPA1 gene) and Leber's hereditary optic neuropathy (mitochondrial DNA mutations).

Purpose:

  • To highlight the genetic basis and clinical spectrum of hereditary optic neuropathies.
  • To emphasize the importance of neurological assessment in patients with these conditions.

Summary:

  • Hereditary optic neuropathies result in retinal ganglion cell loss, varying from mild to severe vision impairment.
  • While often isolated, these conditions can present with neurological symptoms, requiring comprehensive neurological evaluation and brain imaging.

Impact:

  • Improved understanding of the genetic and clinical heterogeneity of optic neuropathies.
  • Enhanced diagnostic protocols incorporating neurological assessment for affected individuals.
  • Potential for earlier diagnosis and management of associated neurological complications.