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18 Cards in this Set
- Front
- Back
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Most common site of red eye |
conjunctiva |
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Main location for eye pain |
Cornea |
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2nd most common location for eye pain |
Ciliary body |
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What structure is where floaters are located |
Vitreous humor |
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Where is the choroid located |
Between the retina and the sclera |
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What is unique about the blood supply of the macula? |
No blood vessels overlying it for clear central vision |
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Are cones or rods more concentrated in the fovea |
Cones |
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How many layers are in the cornea |
6 layers |
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6 layers of the cornea from most superficial to deepest |
Epithelial, Bowman's layer, stroma, dua's layer, descemet's membrane, endothelium |
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What layer does the Alger brush stop at? |
Bowan's layer |
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What is similar to a conjunctiva bruise? |
Subconj heme |
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Do cones or rods work better in low levels of illumination? |
Rods |
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Accommodation |
The process which the crystalline lens varies focal length |
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What happens to the ciliary body, zonules, and lens with stimulating accommodation? |
Ciliary muscle contracts, zonules relax, and lens increases curvature |
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Near point triad 3 points |
Accommodation, convergence, and pupillary constriction |
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Depth of focus purpose Traid point |
Gives the freedom to have wiggle room of focal point without perception Pupillary constriction |
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PR for emmetrope |
PR=6m/20'/infinity |
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Negative PR means... |
Pt is acting as a Hyperopia |
