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The Extraocular Muscles

The Extraocular Muscles

Eye muscle anatomy & actions

6 ratings
5 reviews
📚 Education
🏥 Medical
Free

Details

  • Released
  • Updated
  • August 26, 2019
  • August 26, 2019

Features

Developer

Bethea Medical Media, LLC
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About

An interactive 3D module to explore the anatomy and actions of the six muscles that control voluntary eye movements. Learn how cranial nerves influence eye rotation and test your knowledge with a timed quiz.

✓Interactive 3D eye muscle model
✓Rotate, zoom, and shift perspective
✓Simulate muscle action potentials
✓Identify and describe anatomical structures
✓Glossary of anatomical terms
✓Timed quiz mode
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What's New in The Extraocular Muscles

1.0

August 26, 2019

User reviews

Most RecentHighest RatedLowest Rated

Dynamic illustrations

It is a good start and I hope it is developed further. Other anatomy apps have not addressed the coordination of the eye movements. Understanding this is critical for clinical localization of neurological lesions in the brainstem. The key points of confusion are the insertion points of the superior and inferior obliques. The insertion points are posterior to the axis of the eye that divides the eye from the anterior half and the posterior half of the eye. This is why during adduction the inferior oblique pulls the eye up and the superior oblique pulls the eye down. The insertions of the rectus muscle are anterior to this axis which makes their movements more intuitive.
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Caf-fiendCaf-fiend

Wrong muscle action labeling

The app would be excellent to visualize and study EOM movements and innervation, but the actions of the vertical and oblique muscles are labeled incorrectly. The vertical recti muscles elevate and depress the globes in ABDUCTION, and the oblique muscles in ADDUCTION. In the app this actions are labeled incorrectly. Please fix.
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mom@prmom@pr

Response from developer

Thank you for trying out the app, and for providing feedback! You are correct. When the eyes are already abducted, only the superior and inferior recti muscles contribute to their elevation and depression. Likewise for the oblique muscles in adduction. However, starting from the primary position, activation of the recti muscles also causes adduction due to their alignment relative to the forward axis of the eye (a 23° difference). Similarly, the oblique muscles cause abduction as well as elevation/depression because of their oblique angle (51° from forward axis) and posterolateral attachments to the orbit. So while the labels are accurate, additional information could be included to address these nuances. It is our job to target potential areas of confusion for learners, and we’ll work to clarify this distinction in future versions.

Very cool.

Very cool app. Can’t believe this is free.
Orgo 2 studentOrgo 2 student

Superb

Excellent app. So much must have gone in making this wonderful creation
Dr DeopujariDr Deopujari

Review

Helpful!
Sw4t@sticSw4t@stic

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FAQ

What is the learning methodology of The Extraocular Muscles?

The app uses an interactive 3D model to visualize eye muscle anatomy and function. Learners can manipulate the model, activate muscle actions, and access descriptions. This is complemented by a timed quiz to reinforce key concepts.

How does The Extraocular Muscles track user progress?

The app features a timed quiz mode with randomized questions. While it doesn't offer formal progress tracking reports, the quiz performance indicates a user's grasp of the anatomy and function of the extraocular muscles.

Does The Extraocular Muscles offer certifications?

The Extraocular Muscles does not offer formal certifications. It is designed as an educational tool for self-study and understanding of eye muscle anatomy and actions.

What devices support The Extraocular Muscles?

The Extraocular Muscles is available for iPhone, iPad, and iPod. It is designed for iOS devices.

What is the age rating for The Extraocular Muscles?

The Extraocular Muscles has an age rating of 4+. This indicates it is suitable for a wide audience, including younger learners interested in basic anatomy.

How often is The Extraocular Muscles updated?

The Extraocular Muscles was last updated on August 26, 2019, with version 1.0. As of this last update, there have been no subsequent updates.

Does The Extraocular Muscles have ads?

No, The Extraocular Muscles does not contain advertisements. It provides an uninterrupted learning experience.

What do users like and dislike about The Extraocular Muscles?

Based on its rating of 3.5 stars from 6 ratings, user sentiment appears mixed. Specific user feedback on likes or dislikes is not detailed in the provided data.