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

Visual Agnosia01:12

Visual Agnosia

1.5K
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
1.5K
Prosopagnosia01:24

Prosopagnosia

1.0K
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
1.0K
Lateralization01:28

Lateralization

1.2K
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
1.2K
Cerebral Hemispheres01:05

Cerebral Hemispheres

2.8K
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
2.8K

You might also read

Related Articles

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

Sort by
Same author

Six-Month Visual Outcomes in Pediatric Optic Neuritis: A Multicenter Study From South Korea.

Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society·2026
Same author

Creation of Three New Optotypes Chart and Evaluation of the Reliability on Healthy Subjects.

Clinical ophthalmology (Auckland, N.Z.)·2026
Same author

Myopia Management Consensus Statement in South Korean Children 2025 by the Korean Myopia Society for the Korean Association for Pediatric Ophthalmology and Strabismus.

Korean journal of ophthalmology : KJO·2026
Same author

Recent Practice Patterns in Pediatric Myopia Control: Insights from a Nationwide Survey of South Korean Pediatric Ophthalmologists.

Korean journal of ophthalmology : KJO·2025
Same author

The Pedigree Study of Leber's Hereditary Optic Neuropathy in Korean Population.

Seminars in ophthalmology·2025
Same author

Full-thickness macular hole associated with Valsalva retinopathy: a case report.

BMC ophthalmology·2025

Related Experiment Video

Updated: Mar 10, 2026

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
12:23

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Published on: April 14, 2014

14.6K

New Insight: Preperimetric Homonymous Hemianopia.

Sangyoun Han1, Ungsoo Samuel Kim2

  • 1Department of Ophthalmology, Kim's Eye Hospital Seoul Korea.

Neuro-Ophthalmology (Aeolus Press)
|December 9, 2016
PubMed
Summary

Spectral-domain optical coherence tomography (SD-OCT) detected retinal nerve fiber layer defects in a patient with brain injury, indicating optic tract lesions. This imaging technique can identify pre-perimetric homonymous hemianopia before visual field loss.

Keywords:
Homonymous hemianopiaspectral-domain optical coherence tomographyvisual field

More Related Videos

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

5.1K
Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
11:12

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Published on: September 18, 2012

17.9K

Related Experiment Videos

Last Updated: Mar 10, 2026

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
12:23

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

Published on: April 14, 2014

14.6K
Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

5.1K
Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
11:12

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects

Published on: September 18, 2012

17.9K

Area of Science:

  • Neuro-ophthalmology
  • Neuroimaging
  • Retinal imaging

Background:

  • Brain injuries, such as those from trauma, can cause visual pathway damage.
  • Assessing visual function after brain injury is crucial for diagnosis and management.
  • Homonymous hemianopia is a visual field defect affecting the same side of the visual field in both eyes.

Observation:

  • A patient with a history of traffic accident presented with normal visual acuity but multifocal encephalomalacic changes on MRI.
  • Brain imaging revealed left frontal, temporal, and basal ganglia lesions with evidence of old hemorrhage.
  • Spectral-domain optical coherence tomography (SD-OCT) showed reduced peripapillary retinal nerve fiber layer (RNFL) thickness in specific quadrants of both eyes.

Findings:

  • SD-OCT revealed retinal ganglion cell degeneration extending towards the fovea in both eyes.
  • Retrochiasmal defects correlated with RNFL defects, mimicking homonymous hemianopia without a corresponding visual field defect.
  • The findings suggest optic tract lesions secondary to the brain injury.

Implications:

  • SD-OCT can detect RNFL and ganglion cell loss indicative of optic tract damage.
  • This imaging modality may help identify pre-perimetric homonymous hemianopia, aiding in early diagnosis of retrochiasmal defects.
  • SD-OCT can be a valuable tool for confirming optic tract lesions before overt visual field deficits appear.