Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Accessory Structures of the Eye

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...

You might also read

Related Articles

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

Sort by

Same author

The Optimization of Mealworm (Tenebrio molitor) Sacrifice Methods and Examination of Sacrificed Mealworm Post-Cooking Characteristics.

Food science of animal resources·2026

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

YOLOv10-based multi-scale variant object detection for multi-category PPE non-compliance monitoring on construction sites.

Scientific reports·2026

Same author

Non-Candida fungal cholecystitis - an uncommon occurrence even in the right host.

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology·2026

Same author

Multimodal Graphical Network Analysis of Small-for-Gestational-Age in Preterm Infants: Integrating Neonatal Brain Volume, Structural Connectivity, and Early Neurodevelopmental Outcome.

Annals of biomedical engineering·2026

Same author

Characterizing Visual Field Defects with Tangent Screen Perimetry in Organic Versus Non-Organic Pathologies.

Diagnostics (Basel, Switzerland)·2026

Search research articles

Related Experiment Video

Updated: Jan 10, 2026

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

Clinical Features According to the Type of Intermittent Exotropia: Korean Intermittent Exotropia Multicenter Study.

Hee Kyung Yang¹, Hae Ri Yum², Sun A Kim³

¹Department of Ophthalmology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam 13620, Republic of Korea.

Epidemiologia (Basel, Switzerland)

|November 24, 2025

Summary

Intermittent exotropia subtypes show distinct clinical features. Convergence insufficiency-type is linked to older age and myopia, while divergence excess-type is associated with photophobia.

Keywords:

exodeviation exotropia multicenter study near-distance difference type of exotropia

More Related Videos

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment

Published on: March 24, 2020

Related Experiment Videos

Last Updated: Jan 10, 2026

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment

Published on: March 24, 2020

Area of Science:

Ophthalmology
Strabismus Research
Binocular Vision

Background:

Intermittent exotropia (IXT) is a common strabismus with varied clinical presentations.
Understanding subtype-specific characteristics is crucial for effective management.

Purpose of the Study:

To classify intermittent exotropia into distinct types based on distance and near exodeviation angles.
To delineate the unique clinical features associated with each subtype.

Main Methods:

A cohort of 5331 intermittent exotropia patients was analyzed.
Patients were categorized into Basic-type, Convergence Insufficiency (CI)-type, and Divergence Excess (DE)-type based on exodeviation differences.
Demographics, clinical characteristics, symptoms, and medical/family history were assessed.

Main Results:

Basic-type IXT comprised 86.2%, CI-type 9.4%, and DE-type 4.4% of the cohort.
CI-type IXT correlated with older age and higher myopia, often presenting with A-pattern, superior oblique overaction, good fusion, stereoacuity, and diplopia.
DE-type IXT was associated with superior oblique underaction and photophobia.

Conclusions:

Distinct clinical profiles exist for Basic, CI-type, and DE-type intermittent exotropia.
CI-type IXT is characterized by older age, myopia, and specific ocular findings.
DE-type IXT shows a predilection for photophobia.