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 Experiment Videos

[Inferior oblique underaction]

A Takashi1, S Awaya, T Yagasaki

  • 1Department of Ophthalmology, Nagoya University School of Medicine, Japan.

Nippon Ganka Gakkai Zasshi
|August 1, 1993
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

[EDAS (encephalo-duro-arterio-synangiosis) for occlusive/stenotic cerebrovascular disease].

No shinkei geka. Neurological surgery·2001
Same author

Immunohistochemical and immunogenetic analyses of ocular adnexal lymphoid proliferation.

Japanese journal of ophthalmology·2000
Same author

[Moyamoya disease with intraventricular hemorrhage due to rupture of lateral posterior choroidal artery aneurysm: case report].

No shinkei geka. Neurological surgery·1999
Same author

Aniseikonia measurement by phase difference haploscope in myopic anisometropia and unilateral aphakia (with special reference to Knapp's law and comparison between correction with spectacle lenses and contact lenses). 1971.

Binocular vision & strabismus quarterly·1999
Same author

Binocular depth-from-motion in infantile and late-onset esotropia patients with poor stereopsis.

Investigative ophthalmology & visual science·1999
Same author

[Cerebral blood flow (CBF) before and after cranioplasty performed during the chronic stage after decompressive craniectomy evaluated by xenon-enhanced computerized tomography (Xe-CT) CBF scanning].

No shinkei geka. Neurological surgery·1999
Same journal

Guidance of Medical Care for Familial Exudative Vitreoretinopathy：Research on Rare and Intractable Diseases, Health and Labour Sciences Research Grants.

Nippon Ganka Gakkai zasshi·2018
Same journal

Steroid Resistant Vogt-Koyanagi-Harada Disease Treated Effectively with Cyclosporine.

Nippon Ganka Gakkai zasshi·2018
Same journal

The Effect of Low-dose Cyclosporine (100 mg Once Daily) for Chronic Vogt-Koyanagi-Harada Disease.

Nippon Ganka Gakkai zasshi·2018
Same journal

Clinical Classification of Degree of Deficiency in Color Defectiveness: Simulations by Changing the Total Number of Caps or Saturation of Farnsworth Dichotomous Test D-15.

Nippon Ganka Gakkai zasshi·2018
Same journal

Accelerated Epithelial Proliferation in a Rabbit Model of Bullous Keratopathy.

Nippon Ganka Gakkai zasshi·2018
Same journal

Non-infectious Uveitis and Immunosuppressants：Where We Stand and What the Future Holds.

Nippon Ganka Gakkai zasshi·2018
See all related articles

Acquired inferior oblique underaction is more common than previously thought, often linked to myasthenia or trauma. Excyclodeviation on New Cyclo Tests suggests other muscles may be involved.

Area of Science:

  • Ophthalmology
  • Neurology

Context:

  • Inferior oblique underaction is a common strabismus condition.
  • Congenital causes were traditionally considered more frequent than acquired ones.

Purpose:

  • To investigate the etiology and incidence of inferior oblique underaction.
  • To differentiate between congenital and acquired causes using Awaya's New Cyclo Tests (NCT).

Summary:

  • This study analyzed 100 cases of inferior oblique underaction, finding 63.0% were acquired, primarily due to myasthenia or trauma.
  • Congenital cases included Brown's syndrome and unknown etiologies.
  • NCT revealed incyclodeviation in congenital cases, but excyclodeviation in acquired cases, suggesting additional muscle involvement, particularly in myasthenia gravis.

Related Experiment Videos

Impact:

  • Challenges the traditional view of inferior oblique underaction being predominantly congenital.
  • Highlights the importance of considering myasthenia gravis in acquired cases presenting with excyclodeviation and Cogan's lid twitch sign.
  • Provides a diagnostic framework using NCT for differentiating acquired from congenital inferior oblique underaction.