Tutorial title - Vision - The Structure of the Eye
7 important questions on Tutorial title - Vision - The Structure of the Eye
Sclera is the "white of the eye” but what is its structural make up?
What is the name of the clear mucus membrane that helps lubricate the eye
Conjunctiva
Name the glassy transparent surface of the eye covering the iris and pupil
What are ciliary muscles and their function?
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What does the lens do?
It divides the eye into 2 compartments name these compartments
Aqueous chamber and vitreous chamber
What is the choroid?
Where does it ly
Which layers of the retina does it supply blood to?
lying between the retina and the sclera
Provides nourishing blood supply to the outer layers of the retina (The inner retina is supplied by the central retinal artery
What are the structural characteristics of the outer pigmented layer of the retina?
What other eye structure does it lie next to?
List its 4 functions
Lys next to the choroid
- Extends anteriorly, covering ciliary body and iris
- Absorbs light and prevents its scattering
- Phagocytizes photoreceptor cell fragments
- Stores vitamin A
In comparison to fovea centralis, which has a higher ratio of rods to cones, photoreceptors to ganglion cells and more sensitive to light, between Peripheral retina and central retina
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