Master the Anterior Uvea

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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?

Anterior uvea Signup and view all the answers

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

Both ocular and neurologic disease Signup and view all the answers

What is the term for inflammation of the anterior uvea?

Anterior uveitis Signup and view all the answers

What is a common symptom of anterior uveitis?

All of the above Signup and view all the answers

What can alter pupil size and function?

Lesions along the afferent and efferent pupillary pathways Signup and view all the answers

What can affect the anterior uvea?

All of the above Signup and view all the answers

What is important for diagnosing uveal disease?

Both complete ophthalmic examination and use of magnification Signup and view all the answers

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

The overlying stroma Signup and view all the answers

What is the main cause of subalbinism in dogs?

Maldevelopment Signup and view all the answers

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

The outer pigmented epithelium Signup and view all the answers

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

Subalbinism results in a blue iris, while complete albinism results in a translucent iris Signup and view all the answers

Which layer of the anterior uvea forms the neurosensory retina?

The inner pigmented epithelium Signup and view all the answers

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

Subalbinism Signup and view all the answers

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

The outer pigmented epithelium Signup and view all the answers

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

Subalbinism is characterized by a translucent iris, while complete ocular albinism is characterized by a blue iris Signup and view all the answers

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

Coloboma Signup and view all the answers

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

The nonpigmented ciliary body epithelium Signup and view all the answers