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

Prosopagnosia01:24

Prosopagnosia

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...

You might also read

Related Articles

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

Sort by
Same author

A new oculomotor model demystifies "Remarkable Saccades".

Vision research·2026
Same author

Hepatic Manifestations and Response to Treatment in Deficiency of Adenosine Deaminase 2.

Liver international : official journal of the International Association for the Study of the Liver·2026
Same author

"Playing on" or "calling time"? retention and motivation for sport officials.

Frontiers in sports and active living·2026
Same author

Short-chain fatty acids and their gut microbial pathways distinguish rheumatoid arthritis in discordant monozygotic twins.

Annals of the rheumatic diseases·2025
Same author

Cerebral/Cortical visual impairment (CVI) in Down syndrome: a case series.

Frontiers in human neuroscience·2025
Same author

A palliative care rapid access clinic reduces emergency department visits: a retrospective single centre analysis.

BMC palliative care·2025

Related Experiment Video

Updated: Jun 17, 2026

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies
05:49

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies

Published on: November 1, 2024

Pattern recognition of vertical strabismus using an artificial neural network (StrabNet).

Arvind Chandna1, Anthony C Fisher, Ian Cunningham

  • 1Department of Paediatric Ophthalmology, Royal Liverpool Children's Hospital, Eaton Road, Liverpool, L12 2AP. chandna@alderhey.nhs.uk

Strabismus
|December 17, 2009
PubMed
Summary

This article introduces an artificial intelligence tool designed to help eye doctors identify specific types of vertical eye misalignment. By analyzing measurements from standard vision tests, the system provides accurate diagnostic classifications for patients. This digital resource also serves as an educational aid and a quality control tool for clinical practices.

Keywords:
artificial neural networkclinical diagnosisprism cover testeye alignmentexpert system

Frequently Asked Questions

More Related Videos

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment
05:40

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment

Published on: March 24, 2020

Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography
04:48

Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography

Published on: November 30, 2022

Related Experiment Videos

Last Updated: Jun 17, 2026

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies
05:49

An Automated Squint Method for Time-syncing Behavior and Brain Dynamics in Mouse Pain Studies

Published on: November 1, 2024

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment
05:40

Using an Automated Hirschberg Test App to Evaluate Ocular Alignment

Published on: March 24, 2020

Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography
04:48

Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography

Published on: November 30, 2022

Area of Science:

  • Ophthalmology research within StrabNet clinical diagnostics
  • Artificial intelligence applications in medical imaging

Background:

Current clinical practices for identifying vertical eye misalignment often rely heavily on subjective interpretation of complex diagnostic measurements. No prior work had resolved the difficulty of standardizing these assessments across different healthcare settings. That uncertainty drove the development of automated systems to improve diagnostic consistency. Prior research has shown that machine learning models can process clinical data to recognize specific patterns. This gap motivated the creation of a specialized tool for vertical strabismus. The field lacked an accessible, web-based platform for practitioners to verify their clinical findings. Existing diagnostic methods remain prone to human error during manual data entry and analysis. This study addresses the need for a reliable, objective expert system to support clinicians in their daily practice.

Purpose Of The Study:

The aim of this study is to develop an accessible expert system to assist in the clinical diagnosis of vertical strabismus. This project seeks to provide a reliable tool for practitioners to identify specific types of eye misalignment. The researchers intend for this system to function as a teaching aid for students and trainees. Additionally, the authors want to contribute to the audit process within clinical ophthalmology settings. This initiative addresses the need for standardized diagnostic support in complex eye examinations. The team motivated this work by creating a digital platform that simplifies the interpretation of prism cover test measurements. They aimed to ensure that the model could be extended to other forms of ocular deviations in the future. This effort focuses on improving diagnostic efficiency and consistency for healthcare providers globally.

Main Methods:

The research team designed an expert system utilizing the architecture of artificial neural networks to categorize eye conditions. This review approach synthesized data from eight distinct classifications of vertical misalignment. The investigators employed ten prism cover test measurements, including nine cardinal positions and near fixation, to train the model. They subsequently developed a reduced version requiring only six specific gaze positions. The team validated both models using previously unseen data collected from real patients. This computational design ensured that the system could handle diverse clinical inputs effectively. The researchers hosted the final application on a public website to facilitate widespread access. This methodology prioritized both diagnostic accuracy and practical utility for eye care professionals.

Main Results:

The ten-measurement model achieved a perfect diagnostic accuracy of 100% across the eight defined classes. Key findings from the literature indicate that the simplified six-measurement version maintained a high accuracy rate of approximately 96%. These results demonstrate that the system reliably identifies common vertical deviations from standard clinical measurements. The data confirm that the artificial neural network successfully learned the complex patterns associated with each diagnostic category. The authors report that the tool performs consistently when applied to real-patient datasets. This performance level validates the utility of the system for clinical diagnostic support. The findings suggest that reducing input requirements does not significantly compromise the diagnostic capability of the model. The study confirms that the platform provides a robust solution for classifying vertical eye alignment issues.

Conclusions:

The authors propose that their artificial intelligence model provides a highly accurate method for classifying vertical eye deviations. This synthesis suggests that automated systems can effectively support clinical decision-making processes. The researchers identify a clear role for this tool in both medical education and clinical audit procedures. Their findings indicate that reducing the number of required measurements maintains high diagnostic performance. This implies that clinicians can achieve reliable results even with simplified testing protocols. The study highlights the potential for expanding this framework to cover other types of eye alignment issues. The authors conclude that their web-based platform offers a practical resource for practitioners worldwide. Future applications may leverage this technology to enhance patient care standards in ophthalmology clinics.

The researchers propose that the artificial neural network identifies vertical deviations by learning patterns from prism cover test measurements. This system achieves 100% accuracy with ten inputs and approximately 96% accuracy when utilizing a reduced set of six inputs.

The tool utilizes a web-based platform, StrabNet, which is freely accessible to clinicians. This digital interface allows users to input clinical data to receive diagnostic classifications for one of eight distinct vertical deviation categories.

The authors state that ten measurements are necessary for the full model, covering nine cardinal gaze positions plus near fixation. This comprehensive data set ensures the highest level of diagnostic precision for the system.

The researchers utilize prism cover test data as the primary input for their neural network. This clinical information serves as the foundation for the model to recognize and categorize various eye alignment patterns.

The system evaluates performance by testing against previously unseen patient data. This measurement of diagnostic success demonstrates the reliability of the model when applied to real-world clinical scenarios.

The authors propose that the system serves as a valuable resource for teaching and auditing clinical practices. They suggest that this technology could eventually be adapted to diagnose other types of ocular deviations.