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Parafoveal telangiectasia is a rare developmental condition associated with capillary ______ formation. |
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Microaneurysms develop 1.5 disc diameters on the _____ side of the fovea |
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Which types of telangiectasia do you not have to manage so conservatively? |
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______ _____ are shunts that run from artery to artery and vein to vein. It is beneficial unlike neovascularization and IRMA. |
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Collateral vessels lie within the ____ or on the surface of the ____ and face the area that is _____. |
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IRMA (Intraretinal microvascular anomalies) will _____ major blood vessels but it will not _____ major blood vessels. |
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IRMA is only seen in _____ eye disease. |
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What is the name for neovascularization located on the optic nerve, or 1 disc diameter around the optic nerve? |
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Definition
neovascularization of the disc |
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Term
What do you call the type of neovascularization that develops somewhere other than the optic disc, usually along the major blood vessels? |
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Definition
NVE (neovascularization elsewhere) |
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Term
_____ drugs are anti-VEGF drugs. They destroy the ____ and cause the blood vessels to resolve. |
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Definition
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Term
If you see a cotton wool spot or a flame shaped hemorrhage you should first think of _____ because some or part of the retina has been _____. Then worry about _____. |
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Definition
ischemia compromised neovascularization |
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Term
An EOG tests ____ function |
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Definition
retinal pigment epithelium |
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Term
The Arden ratio is the ratio of the _____ ____ to the ____ ____. |
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Definition
light peak to dark trough |
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Term
____ and ____ foreign bodies can effect EOG. |
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Name two drugs that can effect the RPE? |
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What disease is associated with a "fried egg" appearance of the fovea? like a yellow spot in |
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What is the night blinding disorder characterized by "white spots?" |
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Ocular albinism is characterized by a _____ Arden ratio, while fundus albipunctatus and Best's disease are characterized by a ______ Arden ratio. What is a normal Arden ratio? |
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Definition
high (4 or more) reduced (1.3) Normal 2-3 |
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Term
In Best's disease the EOG is ____ but the ERG is _____. This is because the ____ only tests a small part of the retina while the _____ tests the entire retina. |
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The a wave of a full field Flash ERG is ____ going and related to the number of functioning _____. |
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The b wave occurs after the a wave and is ______ going. It is related to the number of functioning ____ cells and _____ cells. |
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Definition
positively bipolar Mueller |
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Term
Rods respond best to ___ wavelengths, while cones respond best to ____ wavelengths. |
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Term
Once neovascularization occurs the _____ of the a and b wave of an ERG will be _____. |
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