Podcast
Questions and Answers
What is the direction of the medial wall's extension from its stem?
What is the direction of the medial wall's extension from its stem?
What is the angle of divergence of the lateral wall from the medial wall?
What is the angle of divergence of the lateral wall from the medial wall?
What is the point where the medial wall extends from?
What is the point where the medial wall extends from?
What is the relationship between the medial wall and the lateral wall?
What is the relationship between the medial wall and the lateral wall?
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What is the shape of the medial wall?
What is the shape of the medial wall?
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What is the outer coat of the eye?
What is the outer coat of the eye?
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What is the function of the orbit?
What is the function of the orbit?
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What is the sleeve also referred to as in most instruments?
What is the sleeve also referred to as in most instruments?
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What is the conjunctiva?
What is the conjunctiva?
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What is the purpose of moving the bulb up or down?
What is the purpose of moving the bulb up or down?
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What is the uvea?
What is the uvea?
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What is the relationship between the sleeve and the focus control?
What is the relationship between the sleeve and the focus control?
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What is the primary function of the sleeve in most instruments?
What is the primary function of the sleeve in most instruments?
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What is the cornea?
What is the cornea?
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How does the sleeve change the focus control?
How does the sleeve change the focus control?
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What is the purpose of placing lenses in the path of the observed reflex?
What is the purpose of placing lenses in the path of the observed reflex?
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What is observed when placing lenses in its path?
What is observed when placing lenses in its path?
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What is the result of placing lenses in the path of the observed reflex?
What is the result of placing lenses in the path of the observed reflex?
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Why are lenses used in the observation of the reflex?
Why are lenses used in the observation of the reflex?
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What is the purpose of measuring the conditions of the reflex?
What is the purpose of measuring the conditions of the reflex?
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What happens when you add plus to pull in the FP?
What happens when you add plus to pull in the FP?
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What do you see in the scope when the FP converges?
What do you see in the scope when the FP converges?
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What is the purpose of adding plus to the FP?
What is the purpose of adding plus to the FP?
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What is the relationship between the FP and the scope?
What is the relationship between the FP and the scope?
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What happens when the FP reaches the scope?
What happens when the FP reaches the scope?
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Study Notes
Eye Structures
- The eyelids are a part of the eye's anatomy.
- The conjunctiva is another component of the eye.
- The orbit is a bony cavity that contains and protects the eye.
Eye Coats
- The cornea is the outermost coat of the eye.
- The sclera is also an outer coat of the eye.
Middle Coat
- The uvea is the middle coat of the eye.
Orbit Walls
- The medial wall of the orbit extends directly anterior from its stem or apex.
- The lateral wall of the orbit diverges at an angle of about 45 degrees.
Focus Adjustment
- In most instruments, the sleeve changes the focus control by moving the bulb up or down.
- To measure certain conditions, lenses are placed in the path of the observed reflex.
- Plus lenses are added to converge the emerging rays and pull in the FP (far point) until it reaches the scope, at which point NEUT (neutral) is seen.
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Description
Test your knowledge of the different parts of the human eye, including the eyelids, conjunctiva, orbit, cornea, sclera, and uvea. Identify and learn the functions of each component.
