Parts Of
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| What are the Outer Layers and Associated Structures of the eye? | 1. Lacrimal; 2. Extrinsic Muscle; 3. Conjunctiva; 4. Sclera; 5. Cornea
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| What are the functions of the Lacrimal glands? | Tears ---> prevent Infection
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| How many Extrinsic Muscles are there? | 6: 4 Rectus, 2 Oblique
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| What is the histology of the Conjunctiva? | Mucous Membrane and Blood Vessels
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| Where is the Conjunctiva located and what does it look like? | Outermost membrane, not visible unless Blood Vessels are dilated/irritated
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| What is teh function of the Conjunctiva? | Seals the Orbit
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| What is tehfunction of the Sclera? | to support Spherical shape
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| What is the Histology of the Sclera? | Dense, Irregular CT
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| What does the Cornea look like and where is it located? | Transparent, Convex - Anterior circle of Sclera
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| What is the Histology of the Cornea? | Dense, Regular CT
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| What is the function of the Cornea? | Preliminary Focus (close/far) - refraction of light
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| What are the layers of the Middle Eye? | 1. Choroid; 2. Ciliary Body; 3. Lens; 4. Iris
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| What is the Histology of the Choroid? | Areolar CT, Melanin, Ciliary Vessels
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| What is the function of the Choroid? | supplies o2 to Sclera, Absorbs Light
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| Where is the Choroid located? | between the Sclera and Retina
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| What is the Histology of the Ciliary Body? | serrated ring of Smooth Muscles
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| Where is the Ciliary Body located? | Anterior portion of Choroid
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| What is the function of the Ciliary Body? | supports the Lens
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| What is the Histology of the Lens? | Avascular, Stratified Squamous Epithelium and Protein fibers
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| How does the Lens change its shape? | via Ciliary Muscles
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| What happens to the Lens over time? | Lees Pliable, Cloudy/Opaque
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| What is the function of the Lens? | Focus and Refract light
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| What structure holds the Lens in place? | Suspensory Ligaments
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| Where is the Iris located? | attached to Ciliary Body
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| What is the Histology of the Iris? | Circular Smooth Muscle: Constricts; Radial Smooth Muscle: Dilates
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| What structure creates the pupil? | The center/hole of the Iris
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| What creates eye color? | Brown: Melanin; Blue: light refracting off Aqueous Humor
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| What structures are located in the Inner Eye? | 1. Retina 2. Optic Nerve
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| What structures are part of the Retina? | 1. branches of Central Artery; 2. Macula Lutea; 3. Central Fovea; 4. Optic Disc
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| What structures make up the Photoreceptor layer of the Retina? | Rods: B&W; Cones: Color
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| Where is the Macula Lutea located and what is its function? | Center of Retina - where Most Light is directed - Not crossed by Blood Vessels
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| Where is the Central Fovea located and what is its function? | inside Macula - highest Cone Density
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| Where is the Optic Disc located and what is its function? | at Optic Nerve - Blind Spot (devoid of Rods and Cones)
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| What is the function of the Optic Nerve? | Sensory Receptor of the Eye
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| What protects the Optic Nerve? | Meninges: Dura, Arachnoid, Pia
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| Where is Aqueous Humor located? | Anterior Segment
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| What produces Aqueous Humor? | produced by processes of Ciliary Body
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| What is the function of Aqueous Humor? | maintain Shape of Cornea
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| What is the canal of Schlemm? | Drain Aqueous Humor ---> Anterior Ciliary Veins leaving Eye
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| Where is Vitreous Humor located? | Posterior Segment of Eye
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| Where is Vitreous Humor made? | ONLY during Embryonic stage
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| What is the composition of Vitreous Humor? | glassy, Gel material w/ Phagocytic Cells
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| What is the function of Vitreous Humor? | supports Shape of Retina, Removes Cellular debris
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