Term
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Definition
| central depression in the macula |
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Term
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Definition
| posterior, inner part of the retina that is visualized through the ophthalmoscope |
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Term
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Definition
| place where nerve impulses from each retina merge and where nasal optic nerve fibers cross |
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Term
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Definition
| formed by the fibrs from the right half of each retina that lead to the right visual cerebral cortex |
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Term
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Definition
| the relay center that leads the optic tract to the right visual cerebral cortex |
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Term
| left visual cerebral cortex |
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Definition
| fibers from the left half of each retina form an optic tract leading to this |
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Term
| right visual cerebral cortex |
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Definition
| fibers from the right half of each retina form an optic tract leading to this |
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Term
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Definition
| when images from each eye are fused in the occipital lobe and produce a single picture with a 3-D effect |
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Term
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Definition
| Brain damage to the nerve cells in the right visual cerebral cortex causes loss of vision in the (a. right b. left) visual field and vice versa |
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Term
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Definition
| loss of vision in both eys on the contralateral visual field |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
Put in order the pathway of light in the eye:
a) pupil
b) retina
c) cornea
d) lens
e) anterior chamber
f) vitreous chamber
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Term
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Definition
Put in order the pathway of light from the retina to the brain:
a) thalamus
b) optic chasm
c) retina
d) cerebral cortex
e) optic nerve fibers |
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Term
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Definition
| normal adjustment of the eye to focus on objects from far to near, or from near to far |
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Term
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Definition
| When the eye focuses on objects from far to near, the ciliary body adjusts the lens by _________ it and making the pupil ________ |
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Term
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Definition
| When the eye focuses from near to far, the ciliary body _______ the lens and the pupil _________ |
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Term
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Definition
| area behind the cornea and in front of the lens and iris that contains the aqueous humor |
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Term
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Definition
| fluid produced by the ciliary body and found in the anterior chamber |
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Term
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Definition
| any body fluid, including blood and lymph |
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Term
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Definition
| consistng of two surfaces that are rounded, elevated, and curved evenly, like part of a sphere. |
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Term
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Definition
| What is the biconvex body of the eye? |
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Term
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Definition
| middle, vascular layer of the eye, between the retina and sclera |
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Term
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Definition
| structure surrounding the lens that connects the choroid and iris--it contains ciliary muscles that control the shape of the lens and it secretes aqueous humor |
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Term
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Definition
| photoreceptor cell in the retina that transforms light energy into a nerve impulse, responsible for color and central vision |
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Term
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Definition
| delicate membrane lining the undersurface of the eyelids and covering the anterior eyeball |
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Term
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Definition
| fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball |
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Term
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Definition
| tiny pit or depression in the retina that is the region of clearest vision |
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Term
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Definition
| posterior, inner part of the eye |
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