Term
|
Definition
difficulty seeing far
steep cornea-focuses on rays of light in FRONT of retina |
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Term
|
Definition
difficulty seeing near
flat cornea-focuses on rays of light BEHIND retina |
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Term
|
Definition
blurred vision at any distance
cornea is lopsided |
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Term
|
Definition
| loss of near vision from aging of the lens |
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Term
|
Definition
| clouding of lens,sensitivity to light,difficulty reading,loss of color perception,loss of depth perception,night blindness |
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Term
glaucoma
(angle closure)
(acute) |
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Definition
tunnel vision-slow loss of peripheral,eventual blindness
production rate of aqueous humor is greater than drainage rate of aqueous humor
angle closure-lens grows to the point of closing the chamber angle
acute-rapid rise in pressure |
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Term
|
Definition
blurred and distorted central vision,blind spots and loss of color vision
treatment-insertion of telescope |
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Term
|
Definition
| loose filmy tissue covering eyeball;almost completely transparent,turns red when eye is inflamed (red eye) |
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Term
|
Definition
| insertion of an artificial lens that can correct nearsightedness,farsightedness,astigmatism,and presbyopia |
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Term
|
Definition
| abnormal blood vessels grow in response to low oxygen tension in the tissue |
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