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Dec 22, 2022 · The extraocular muscles are located within the orbit, but are extrinsic and separate from the eyeball itself. They act to control the movements of the eyeball and the superior eyelid. There are seven extraocular muscles – the levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, lateral rectus, inferior oblique and ...
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Mar 2, 2021 · There are two types of eye muscles: extrinsic muscles that control eye movement and position, and intrinsic muscles that control near focusing and how much light enters the eye. Extrinsic eye muscles (also called extraocular muscles) are attached to the outside of the eyeball and enable the eyes to move in all directions of sight.
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4 days ago · Nerves that control these muscles. The muscles that control your eye movement depend on signals that travel through three cranial nerves: Cranial nerve III (CN III): This is also known as the oculomotor nerve. It controls the movements of the superior, inferior and medial rectus muscles, and also the inferior oblique muscle.
Three antagonistic pairs of muscles control eye movement: the lateral and medial recti muscles, the superior and inferior recti muscles, and the superior and inferior oblique muscles. These muscles are responsible for movement of the eye along three different axes: horizontal, either toward the nose (adduction) or away from the nose (abduction); vertical, either elevation or depression; and ...
The extraocular muscles, or extrinsic ocular muscles, are the seven extrinsic muscles of the eye in humans and other animals. [1] Six of the extraocular muscles, the four recti muscles, and the superior and inferior oblique muscles, control movement of the eye. The other muscle, the levator palpebrae superioris, controls eyelid elevation.
Six skeletal muscles surround the eye and control the many diverse movements of the eyes. These muscles, although small and not particularly strong, are exceptionally fast and precise. They allow the eye to perform many complex tasks, including tracking moving objects, scanning for objects, and maintaining a stable image on the retina.
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Mar 28, 2016 · Published Mar. 28, 2016. There are six eye muscles that control eye movement. One muscle moves the eye to the right, and one muscle moves the eye to the left. The other four muscles move the eye up, down, and at an angle. Read an overview of general eye anatomy to learn how the parts of the eye work together. All content on the Academy’s ...
