Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Glaucoma: Overview01:25

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...
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
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...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Commentary: Malnutrition and nutritional deficits as aggravating factors in Guillain-Barré syndrome: a call for nutritional intervention in the Gaza Strip.

Frontiers in public health·2025
Same author

Disparities in End-of-Life Outcomes: A Demographic and Geographic Analysis of Endometrial Cancer Deaths in the United States.

Cureus·2025
Same author

A novel variant in the tropomyosin 3 gene presenting as an adult-onset distal myopathy - a case report.

BMC neurology·2023
Same author

Unique Clinical, Radiological and Histopathological Characteristics of a Southeast Asian Cohort of Patients with Limb-Girdle Muscular Dystrophy 2G/LGMD-R7-Telethonin-Related.

Journal of neuromuscular diseases·2022
Same author

Acute to Subacute Atraumatic Entrapment Neuropathies in Patients With CMT1A: A Report of a Distinct Phenotypic Variant of CMT1A.

Frontiers in neurology·2022
Same author

Deviating From the True Diagnosis.

Journal of clinical neuromuscular disease·2022

Related Experiment Video

Updated: Jun 13, 2026

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy (rNAION)
06:49

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy (rNAION)

Published on: November 20, 2016

Chronic relapsing inflammatory optic neuropathy.

Monica Saini1, Dheraj Khurana

  • 1Department of Medicine, Division of Neurology, Stroke Programme, University of Alberta, Canada.

Annals of Indian Academy of Neurology
|May 4, 2010
PubMed
Summary
This summary is machine-generated.

Chronic relapsing inflammatory optic neuropathy (CRION) is a steroid-responsive condition causing recurrent, painful vision loss. This case highlights CRION

Keywords:
Recurrent optic neuritissteroid responsive

More Related Videos

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

Optical Coherence Tomography: Imaging Mouse Retinal Ganglion Cells In Vivo

Published on: September 22, 2017

Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy
14:54

Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy

Published on: November 29, 2015

Related Experiment Videos

Last Updated: Jun 13, 2026

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy (rNAION)
06:49

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy (rNAION)

Published on: November 20, 2016

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

Optical Coherence Tomography: Imaging Mouse Retinal Ganglion Cells In Vivo

Published on: September 22, 2017

Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy
14:54

Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy

Published on: November 29, 2015

Area of Science:

  • Ophthalmology
  • Neuro-immunology
  • Optic Neuropathy Research

Background:

  • Chronic relapsing inflammatory optic neuropathy (CRION) is a distinct optic neuropathy.
  • CRION is characterized by recurrent episodes and steroid responsiveness.
  • Differentiating CRION from other optic neuropathies is crucial for accurate diagnosis and treatment.

Observation:

  • A patient presented with a ten-year history of recurrent, painful visual loss.
  • The visual deficits resolved between episodes.
  • The clinical presentation aligned with the diagnostic criteria for CRION.

Findings:

  • The patient was diagnosed with isolated optic neuritis.
  • The diagnosis was consistent with the features of CRION.
  • This case underscores the unique clinical characteristics of CRION.

Implications:

  • Accurate identification of CRION is essential for appropriate management.
  • Understanding CRION's distinct features aids in differentiating it from demyelinating and connective tissue disorders.
  • Further research into CRION may improve treatment strategies for recurrent optic neuropathies.