Term
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Definition
| eye with the lens at rest converges parallel rays of light to focus on the retina |
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Term
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Definition
nearsightedness - too much focusing power
25% of adults in US (#1 asian)
accommodation will NOT help |
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Term
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Definition
farsightedness - eye is short or cornea is flat; not enough focusing power
positive perscription
accommodation helps! |
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Term
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Definition
uneven corneal curvature - blurry distance AND near vision
light converges to more than one focal area
corneal or lenticular
accommodation will NOT help |
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Term
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Definition
loss of accommodation with age
due to inc lens thickness and loss of lens elasticity |
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Term
| Contact lens complications |
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Definition
Spectacle blur-edema
Corneal scarring/warping
Corneal vascularization
Papillary conjunctivitis
Corneal infection (keratitis, ulcer) |
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