Master the Anterior Uvea
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Questions and Answers

Which structures are included in the uvea?

  • Iris and choroid
  • Iris, ciliary body, and choroid (correct)
  • Iris and ciliary body
  • Ciliary body and choroid

What is the function of the iris?

  • Producing aqueous humor
  • Accommodating the lens
  • Regulating light entering the globe (correct)
  • Serving as a blood-aqueous barrier

What is the function of the ciliary body?

  • Regulating light entering the globe
  • Accommodating the lens
  • Producing aqueous humor (correct)
  • Serving as a blood-aqueous barrier

What is the site of the blood-aqueous barrier?

<p>Anterior uvea (B)</p> Signup and view all the answers

What can abnormalities in the size, shape, color, or responsiveness of the pupil indicate?

<p>Both ocular and neurologic disease (C)</p> Signup and view all the answers

What is the term for inflammation of the anterior uvea?

<p>Anterior uveitis (B)</p> Signup and view all the answers

What is a common symptom of anterior uveitis?

<p>All of the above (D)</p> Signup and view all the answers

What can alter pupil size and function?

<p>Lesions along the afferent and efferent pupillary pathways (D)</p> Signup and view all the answers

What can affect the anterior uvea?

<p>All of the above (D)</p> Signup and view all the answers

What is important for diagnosing uveal disease?

<p>Both complete ophthalmic examination and use of magnification (C)</p> Signup and view all the answers

Which layer of the iris is responsible for the blue color seen in subalbinism?

<p>The overlying stroma (A)</p> Signup and view all the answers

What is the main cause of subalbinism in dogs?

<p>Maldevelopment (A)</p> Signup and view all the answers

Which layer of the iris forms the dilator and sphincter muscles?

<p>The outer pigmented epithelium (C)</p> Signup and view all the answers

What is the main difference between subalbinism and complete albinism in terms of iris appearance?

<p>Subalbinism results in a blue iris, while complete albinism results in a translucent iris (D)</p> Signup and view all the answers

Which layer of the anterior uvea forms the neurosensory retina?

<p>The inner pigmented epithelium (B)</p> Signup and view all the answers

What is the term used to describe the dilution of ocular pigment?

<p>Subalbinism (D)</p> Signup and view all the answers

Which layer of the anterior uvea forms the nonpigmented ciliary body epithelium?

<p>The outer pigmented epithelium (D)</p> Signup and view all the answers

What is the main difference between subalbinism and complete ocular albinism?

<p>Subalbinism is characterized by a translucent iris, while complete ocular albinism is characterized by a blue iris (A)</p> Signup and view all the answers

What is the term used to describe disorders of incomplete development of the anterior uvea?

<p>Coloboma (A)</p> Signup and view all the answers

Which layer of the anterior uvea forms the pigmented epithelium of the ciliary body?

<p>The nonpigmented ciliary body epithelium (B)</p> Signup and view all the answers

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