What vascular layer lies between the sclera and retina?

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Prepare for the Certified Paraoptometric Assistant (CPOA) Exam. Study with extensive flashcards and multiple choice questions with explanations. Enhance your skills and knowledge to succeed.

Multiple Choice

What vascular layer lies between the sclera and retina?

Explanation:
The vascular layer between the sclera and the retina is the choroid. It forms part of the uveal tract and is a highly vascular, pigmented membrane that sits between the outer white sclera and the inner retina. The choroid supplies oxygen and nutrients to the outer retina (including the photoreceptors) via its dense blood vessels, especially the choriocapillaris. It also helps absorb excess light to reduce glare. The retina is the neural tissue inside the eye, the sclera is the outer white protective coat, and the cornea is the clear front surface that is avascular. So the choroid is the vascular layer located between the sclera and retina.

The vascular layer between the sclera and the retina is the choroid. It forms part of the uveal tract and is a highly vascular, pigmented membrane that sits between the outer white sclera and the inner retina. The choroid supplies oxygen and nutrients to the outer retina (including the photoreceptors) via its dense blood vessels, especially the choriocapillaris. It also helps absorb excess light to reduce glare. The retina is the neural tissue inside the eye, the sclera is the outer white protective coat, and the cornea is the clear front surface that is avascular. So the choroid is the vascular layer located between the sclera and retina.

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