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

Finding Electric Potential From Electric Field01:13

Finding Electric Potential From Electric Field

5.4K
For a system of charges, it is easy to calculate the system's potential because potential is a scalar quantity. However, in some instances where calculating the electric field is more straightforward than finding the potential, the electric field is used to calculate the system's potential. For a positive charge, the electric field is radially outward, and the potential is positive at any finite distance from the positive charge. In such an electric field, the motion away from the...
5.4K
Antipsychotic Drugs: Typical and Atypical Agents01:21

Antipsychotic Drugs: Typical and Atypical Agents

777
Antipsychotic drugs are classified into first-generation (typical) drugs including phenothiazines; and second-generation (atypical) drugs. Chlorpromazine hydrochloride (Thorazine), a phenothiazine derivative, broadly impacts the central, autonomic, and endocrine systems. This drug, along with typical agents like haloperidol (Haldol), primarily works by antagonizing D2 receptors, thus reducing dopaminergic neurotransmission. However, typical antipsychotics can cause side effects such as sedation...
777
Finding the Center of Gravity01:03

Finding the Center of Gravity

4.3K
The center of gravity of a body is an imaginary point where the body's total weight is assumed to be concentrated, and the body is perfectly balanced. The center of the mass of a body is a point at which the whole of the mass of the body appears to be concentrated. If the acceleration due to gravity, g, has the same value at all points on a body, its center of gravity is identical to its center of mass. The center of gravity of homogeneous bodies such as a sphere, cube, or rectangular plate...
4.3K
Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

788
Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
788
Cardiovascular System Abnormal Findings I: Inspection and Palpation01:29

Cardiovascular System Abnormal Findings I: Inspection and Palpation

831
In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
831
Lumber Defects01:23

Lumber Defects

487
Lumber defects, which can affect both the appearance and structural integrity of wood, include a variety of growth and manufacturing flaws. Growth defects such as knots and knotholes occur where branches were once attached to the tree trunk, with knotholes forming when these knots fall out. Other natural defects include decay and insect damage, which compromise the wood's strength and durability.
Shakes are minor fractures that run along or across the wood's annual rings, while wane is...
487

You might also read

Related Articles

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

Sort by
Same author

Frequency-dependent risk of steroid-induced ocular hypertension.

Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie·2026
Same author

Impact of epiretinal membrane surgery on glaucoma progression: influence of glaucoma severity and internal limiting membrane peeling.

The British journal of ophthalmology·2025
Same author

Association between normal tension glaucoma and the risk of obstructive sleep apnoea using the STOP-Bang questionnaire.

Eye (London, England)·2025
Same author

Longitudinal corneal hysteresis changes predict structural progression in medically controlled, early-to-moderate, open-angle glaucoma with a history of refractive surgery.

The British journal of ophthalmology·2025
Same author

Clinical characteristics of open-angle glaucoma progression with peripapillary microvasculature dropout in different locations.

Eye (London, England)·2023
Same author

Causes of Punctal Plug Loss in Sjögren's Syndrome.

Yonsei medical journal·2023

Related Experiment Video

Updated: Jan 22, 2026

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

17.8K

Clinical and Neuroimaging Findings in Patients with Atypical Visual Field Defects.

Na Eun Kim1, Jihei Sara Lee1, Chan Yun Kim1

  • 1Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.

Yonsei Medical Journal
|January 21, 2026
PubMed
Summary

Atypical visual field defects (VFDs) can signal underlying brain lesions. Neuroimaging is crucial for patients with VFDs, especially older individuals or those with vision changes and rapid progression.

Keywords:
Visual field defectglaucomaneuroimagingoptic neuropathy

More Related Videos

Clinical Examination Protocol to Detect Atypical and Classical Scrapie in Sheep
13:42

Clinical Examination Protocol to Detect Atypical and Classical Scrapie in Sheep

Published on: January 19, 2014

14.0K
Neuroimaging Field Methods Using Functional Near Infrared Spectroscopy NIRS Neuroimaging to Study Global Child Development: Rural Sub-Saharan Africa
08:10

Neuroimaging Field Methods Using Functional Near Infrared Spectroscopy NIRS Neuroimaging to Study Global Child Development: Rural Sub-Saharan Africa

Published on: February 2, 2018

15.5K

Related Experiment Videos

Last Updated: Jan 22, 2026

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

17.8K
Clinical Examination Protocol to Detect Atypical and Classical Scrapie in Sheep
13:42

Clinical Examination Protocol to Detect Atypical and Classical Scrapie in Sheep

Published on: January 19, 2014

14.0K
Neuroimaging Field Methods Using Functional Near Infrared Spectroscopy NIRS Neuroimaging to Study Global Child Development: Rural Sub-Saharan Africa
08:10

Neuroimaging Field Methods Using Functional Near Infrared Spectroscopy NIRS Neuroimaging to Study Global Child Development: Rural Sub-Saharan Africa

Published on: February 2, 2018

15.5K

Area of Science:

  • Neuro-ophthalmology
  • Neuroimaging
  • Visual field analysis

Background:

  • Atypical visual field defects (VFDs) can present diagnostic challenges.
  • Identifying the underlying causes of VFDs is essential for timely intervention.

Purpose of the Study:

  • To investigate the clinical presentations and neuroimaging findings in patients with atypical VFDs.
  • To identify risk factors associated with significant neuroimaging findings in these patients.

Main Methods:

  • Retrospective cross-sectional study of 159 patients evaluated for atypical VFDs.
  • Brain magnetic resonance imaging (MRI) was utilized for diagnosis.
  • Logistic regression analysis identified independent risk factors for significant findings.

Main Results:

  • 18.2% of patients had significant findings, including intracranial tumors and cerebrovascular accidents.
  • Older age, decreased visual acuity, incomplete homonymous hemianopsia, absence of peripapillary atrophy (PPA), and rapid VFD progression were associated with significant findings.
  • Subgroup analyses in glaucoma and non-glaucoma patients revealed specific associations with VFD characteristics and neuroimaging results.

Conclusions:

  • Atypical VFDs warrant neuroimaging to detect potential lesions along the visual pathway.
  • Neuroimaging is particularly recommended for older patients, those with decreased visual acuity, rapid progression, or incomplete homonymous hemianopsia.