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

Unsymmetric Bending - Angle of Neutral Axis01:15

Unsymmetric Bending - Angle of Neutral Axis

Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
When a bending moment is applied at an angle θ concerning the vertical axis of a symmetrical member, it can be resolved into components along the member's principal centroidal axes. The...
Horizontal Curve: Problem Solving01:03

Horizontal Curve: Problem Solving

A horizontal curve is characterized by its radius, intersection angle, and stationing of key points. In this case, the radius is 400 meters, and the angle of intersection is 30 degrees, with the station of the point of curvature (P.C.) at 0 + 150 meters. The goal is to determine the station values at the point of intersection (P.I.), point of tangency (P.T.), and midpoint of the curve, as well as the length of the long chord.The process begins with calculating the tangent distance (T) and the...
Two-Dimensional Force System01:20

Two-Dimensional Force System

A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved into its components as:
Contact Angle01:13

Contact Angle

When a solid is dipped inside a liquid, the liquid surface becomes curved near the contact. For some solid–liquid interfaces, the liquid is pulled up along the solid, while for others, the liquid surface is convex or depressed near the solid surface. This phenomenon can be explained using the concept of cohesive and adhesive forces.
The adhesive force is the molecular force between molecules of different materials, that is, between the molecules of the solid and the liquid. The cohesive force...
Angle of Twist - Elastic Range01:13

Angle of Twist - Elastic Range

Consider a cylindrical shaft with a length denoted by L and a consistent cross-sectional radius referred to as r. This shaft undergoes a torque at the free end. The highest shearing strain within the shaft is directly proportional to the twist angle and the radial distance from the shaft axis. When the shaft behaves elastically, this shearing strain can be articulated using variables such as the applied torque, radial distance, the polar moment of inertia, and the modulus of rigidity. By...
Hyperbolas01:30

Hyperbolas

A hyperbola is a conic section produced when a double-napped cone is intersected by a plane at an angle steeper than the slope of the cone, such that it cuts through both nappes. This intersection yields two separate, mirror-image curves known as branches, which open away from each other along the transverse axis. The nearest points on each branch to the hyperbola’s center are termed vertices, and the distance from the center to a vertex is denoted by a. Perpendicular to the transverse axis is...

You might also read

Related Articles

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

Sort by
Same author

Identification of physically fatiguing tasks performed during aircraft open-basket ground de-icing activities.

Work (Reading, Mass.)·2021
Same author

Intraoperative intorsional traction test of the inferior oblique.

Eye (London, England)·2017
Same author

Orbital Cellulitis with Apparent Thrombosis of the Left Cavernous Sinus and Perioptical Abscess Formation.

Clinical neuroradiology·2017
Same author

Deep Brain Stimulation of the Nucleus Basalis of Meynert in Alzheimer's Dementia: Potential Predictors of Cognitive Change and Results of a Long-Term Follow-Up in Eight Patients.

Brain stimulation·2016
Same author

Nucleus Accumbens Deep Brain Stimulation for Alcohol Addiction - Safety and Clinical Long-term Results of a Pilot Trial.

Pharmacopsychiatry·2016
Same author

Eyeglasses for Children - a Survey of Daily Practice.

Klinische Monatsblatter fur Augenheilkunde·2016
Same journal

Corneal Neurotisation in Neurotrophic Keratopathy: A Retrospective Analysis of Functional Outcomes and Clinical Courses.

Klinische Monatsblatter fur Augenheilkunde·2026
Same journal

Evaluating the Long-term Success and Safety of Canaloplasty in Glaucoma Patients.

Klinische Monatsblatter fur Augenheilkunde·2026
Same journal

Imbalanced Trace Elements as Risk Factors in the Pathogenesis of Glaucoma.

Klinische Monatsblatter fur Augenheilkunde·2026
Same journal

Malnutrition as a Risk Factor for Cerebral and Glaucomatous Neurodegeneration - Mechanisms and Therapeutic Strategies.

Klinische Monatsblatter fur Augenheilkunde·2026
Same journal

Impact of Wearing a Face Mask on the Reliability of Standard Automated Perimetry in Glaucoma Patients and Suspects: a Retrospective Longitudinal Study.

Klinische Monatsblatter fur Augenheilkunde·2026
Same journal

[Siderotic Cataract Eight Months After Intralenticular Metallic Foreign Body: A Case Report and Surgical Management].

Klinische Monatsblatter fur Augenheilkunde·2026
See all related articles

Related Experiment Video

Updated: Jun 2, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

Horizontal and vertical angle kappa.

V Sturm1, S P Kraft, K Landau

  • 1Department of Ophthalmology and Vision Sciences, The Hospital for Sick Children and the University of Toronto, Canada. veit.sturm@usz.ch

Klinische Monatsblatter Fur Augenheilkunde
|April 13, 2011
PubMed
Summary
This summary is machine-generated.

Angle kappa, a measurement of the eye's visual axis alignment, shows significant geometric variability in both horizontal and vertical planes. This variation can alter the appearance of strabismus, impacting diagnosis.

Related Experiment Videos

Last Updated: Jun 2, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

Area of Science:

  • Ophthalmology
  • Orthoptics
  • Strabismus diagnostics

Background:

  • Investigating the geometric range of angle kappa formation in patients with and without strabismus.
  • Understanding the clinical significance of angle kappa in strabismus evaluation.

Observation:

  • Retrospective analysis of three patients with angle kappa in various planes.
  • Utilized routine eye exams and orthoptic assessments, noting discrepancies between cover tests and Hirschberg measurements.

Findings:

  • Observed bilateral vertical angle kappa in opposite directions due to retinochoroidal scars.
  • Identified horizontal angle kappa deviations, including negative angle kappa exaggerating esotropia and positive angle kappa causing pseudoexotropia.
  • Macular ectopia was a consistent finding across all reported cases.

Implications:

  • Angle kappa exhibits marked variability in both horizontal and vertical planes.
  • Angle kappa can significantly exaggerate or mask the true size of heterotropia.
  • Accurate assessment of angle kappa is crucial for precise strabismus diagnosis and management.