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17 Cards in this Set
- Front
- Back
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Tunics
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make up the walls of the eye
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fiberous layer
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outermost and strongest layer
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sclera
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the white fibrous portion of the eye
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cornea
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transparent portion of sclera. Transmits light into the eye.
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Vascular Layer (uvea)
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middle layer
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choroid
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highly vascular dark pigmented layer. absorbs stray light
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cilliary body
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ring of smooth muscle which controls the shape of the lens. It makes Aqueous humor.
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iris
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pigmented adjustable diaphragm. Controls the amount of light entering the eye
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pupil
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central opening of iris
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retna
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innermost layer. part of the brain ad is a thin transparent membrane.
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optic disk
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all axons with in the retna lead to this area and form the beginning of the optic nerve.
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optic nerve
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only part of retna w/o photoreceptors
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macula lutea
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directly in line with the pupil
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fovea centralis
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at the center of macula lutea and has the highest concentration of photoreceptors. responsible for fine detail.
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Anterior chamber
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space between cornea and lens. Filled w/ aqueous humor
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lens
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refracts light. Suspended to the cillary body by suspensatory ligaments.
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vitreous humor
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transparent jelly fills the void behind the lens
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