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

1.7K
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...
1.7K
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

1.1K
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...
1.1K
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

1.6K
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...
1.6K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

11.0K
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,...
11.0K
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

11.7K
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
11.7K

You might also read

Related Articles

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

Sort by
Same author

Diagnostic Yield and Clinical Impact of Comprehensive WES/WGS Testing Beyond Common Genetic Causes in Hereditary Optic Atrophy.

Clinical genetics·2026
Same author

Longitudinal Development of Macular Ganglion Cell Layer Thickness in Children: The Copenhagen Child Cohort 2000 Eye Study.

Ophthalmic epidemiology·2026
Same author

Optical coherence tomography measurement of retinal layers above the peripapillary hyperreflective ovoid mass-like structure in true papilloedema and pseudo-papilloedema.

Eye (London, England)·2026
Same author

Peripapillary hyperreflective ovoid mass-like structure in arteritic versus nonarteritic anterior ischemic optic neuropathy.

Frontiers in ophthalmology·2026
Same author

A procedure in decline: frequency of temporal artery biopsies since 2017 in a major Danish ophthalmology center.

Therapeutic advances in musculoskeletal disease·2026
Same author

Optic Disc Drusen in Children: An Updated Clinical and Imaging Perspective.

International ophthalmology clinics·2026

Related Experiment Video

Updated: Mar 30, 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

9.6K

[Optic disc oedema].

Marianne Kromann Nielsen, Steffen Hamann

    Ugeskrift for Laeger
    |November 11, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Optic disc edema is optic nerve head swelling. Papilledema, caused by high intracranial pressure, is typically bilateral with late vision loss. Anterior optic neuropathy causes unilateral edema with vision loss.

    More Related Videos

    Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration
    10:14

    Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration

    Published on: May 26, 2023

    4.4K
    Using Retinal Imaging to Study Dementia
    09:17

    Using Retinal Imaging to Study Dementia

    Published on: November 6, 2017

    22.5K

    Related Experiment Videos

    Last Updated: Mar 30, 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

    9.6K
    Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration
    10:14

    Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration

    Published on: May 26, 2023

    4.4K
    Using Retinal Imaging to Study Dementia
    09:17

    Using Retinal Imaging to Study Dementia

    Published on: November 6, 2017

    22.5K

    Area of Science:

    • Ophthalmology
    • Neurology

    Background:

    • Optic disc edema is optic nerve head swelling from various causes.
    • Differentiating etiologies requires thorough history and clinical knowledge.

    Purpose of the Study:

    • To clarify the distinction between optic disc edema and papilledema.
    • To highlight key clinical differences in presentation and visual function.

    Main Methods:

    • Review of clinical characteristics of optic disc edema.
    • Comparison of presentations of papilledema versus anterior optic neuropathy.

    Main Results:

    • Papilledema is optic disc edema due to elevated intracranial pressure, usually bilateral with preserved vision until late.
    • Optic disc edema from anterior optic neuropathy is typically unilateral with associated vision loss.

    Conclusions:

    • Clinical presentation, laterality, and visual function are key to differentiating causes of optic disc edema.
    • Distinguishing papilledema from other optic neuropathies is crucial for diagnosis and management.