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ANATOMY AND PHYSIOLOGY OF THE EYE-Questions with Correct Answers/ Verified/ 100% Pass

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How does the eye convert light rays to a perceived image? -️️Light rays are focused by the cornea and the lens to produce an upside-down image on the light-sensitive retina. The retina converts the image to electric impulses, which are carried by the optic nerve to the brain's visual cortex, producing the sensation of light. ADNEXA- 4 primary structures -️️orbit extraocular muscles eyelids and conjunctiva lacrimal apparatus. What is the structure and function of the orbit? -️️-Made up of 7 bones -Houses the globe, extraocular muscles, blood vessels, nerves, and layers of fat -Protects the globe from major injury

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Institution
Human anatomy and physiology
Course
Human anatomy and physiology

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Uploaded on
August 6, 2024
Number of pages
4
Written in
2024/2025
Type
Exam (elaborations)
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Questions & answers

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  • anatomy and physiology of the eye
  • questions with correct answers verified 100 pas

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ANATOMY AND PHYSIOLOGY OF THE EYE-Questions with Correct
Answers/ Verified/ 100% Pass
How does the eye convert light rays to a perceived image? - ✔️✔️Light rays are focused by the
cornea and the lens to produce an upside-down image on the light-sensitive retina. The retina
converts the image to electric impulses, which are carried by the optic nerve to the brain's visual
cortex, producing the sensation of light.



ADNEXA- 4 primary structures - ✔️✔️orbit

extraocular muscles

eyelids and conjunctiva

lacrimal apparatus.



What is the structure and function of the orbit? - ✔️✔️-Made up of 7 bones

-Houses the globe, extraocular muscles, blood vessels, nerves, and layers of fat

-Protects the globe from major injury



Medial Rectus - ✔️✔️Rotates eye inward and toward the nose (adduction)



Lateral Rectus - ✔️✔️Rotates eye outward and toward the temple (abduction)



Superior Oblique - ✔️✔️Twists the eye down and inward (incyclotorsion)



Inferior Oblique - ✔️✔️Twists the eye up and outward (exyclotorsion)



Superior Rectus - ✔️✔️Turns the eye upward (secondary incyclotorsion)



Inferior Rectus - ✔️✔️Turns the eye downward (secondary incyclotorsion)



3 functions of the eyelid - ✔️✔️-Protect the eye from injury

-Exclude light

-Aid in lubricating the ocular surface
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