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Superior Rectus
Medial Rectus
InferiorRectus
Superior Oblique
Inferior Oblique
Lateral Rectus
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How do extrinsic eye muscles differ in action from the instrintic eye muscles?
Extrinsic eye muscles move the eyeball in relation to the rest of the body, whereas intrinsic muscles move structures within the eyeball.A: The extrinsic muscles control the movement of the eyes.The extrinsic muscles are controlled by the somatic nervous system(voluntary) The intrinsicmuscles control the lens and pupil. The intrinsiceye muscles, (including the iris sphincter, radial pupilodilator muscles and the ciliarymuscle), are under the control of the autonomic nervous system(involuntary)
Why is it more of a strain on the intrinsic and extrinsic eye muscle to look at the close objects than at far objects?
extrinsic muscles are strained
Function of the extrinsic muscles of the eye?
The extrinsic muscles of the eye control the movement of the eyeball and enable eye movements, such as looking up, down, and sideways. These muscles work together to coordinate eye movements and allow us to track objects and focus on different points in our visual field.
Which of the extrinsic eye muscles moves the eye up and turns it toward the outside margin of the body?
inferior oblique
What extrinsic eye muscles are controlled during the convergence reflex?
The medial rectus muscles are primarily responsible for the convergence reflex. When focusing on a near object, these muscles contract to rotate both eyes inward, allowing them to converge and maintain single binocular vision.
Is gross eye movements are produced by five extrinsic eye muscles attached to the outer surface of each eye?
yes they are, I studied this in college
What extrinsic eye muscles control the movement of the eyes during convergence reflex?
Medial Rectus
Five accessory eye structures that contribute to the formation of tears?
eyebrows, eyelids, lacrimal apparatus, conjunctiva, and extrinsic eye muscles
If a person with an injury to the extrinsic muscles of the eye would find it difficult to what?
focus light onto the retina
How many extrinsic eye muscles are attached to the exterior surface of each eyeball?
30
What has the author Hyman Saul Sugar written?
Hyman Saul Sugar has written: 'The extrinsic eye muscles' -- subject(s): Diseases, Eye, Muscles 'The glaucomas' -- subject(s): Glaucoma
Define an extrinsic muscle of the eye?
external eye muscles 6 extrinsic eye muscles 4-rectus (straight) muscles originate from the anualar ring superior (3), inferrrior (3) , medial(3) lateral (6)- move eye up and down medially and laterally 2-oblique muscles superior (4) and inferrior oblique (3)look side>side: one eye is elevated/the others depressed
