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
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
