Term
3 factors that contribute to AMD damage |
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Definition
Oxidative Stress, Inflammation, Metabolic end product deposition |
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Term
4 layers/parts of the posterior pole primarily affected by AMD |
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Definition
RPE Bruch's Choriocapillaris Photoreceptors |
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Term
What is the #1 cause of blindness in the US on people over 60 |
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Definition
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Term
Name 5 non-modifiable risk factors for AMD |
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Definition
Age Gender Race Ocular Pigmentation Heredity |
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Term
Which gender tends to be more affected by AMD |
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Definition
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Term
Which race is commonly most affected by AMD |
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Definition
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Term
Describe ocular pigmentation that increases risk for AMD |
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Definition
lighter pigmentation is at higher risk than darker-pigmented individuals |
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Term
Modifiable risk factors of AMD |
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Definition
Smoking Cataract surgery Phototoxicity Obesity HTN/Heart Dz Alcohol Daily aspirin use |
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Term
2 pigments that contribute to the natural coloration of the macula |
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Definition
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Term
What structure provides nutrients to the Foveal Avascular Zone |
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Definition
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Term
3 Clinical Presentations of Early/Intermediate AMD |
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Definition
RPE hyperplasia/hypertrophy Drusen PED |
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Term
Clinical Presentation of Advanced Dry AMD |
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Definition
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Term
Clinical Presentation of Advanced Wet AMD |
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Definition
CNV Detachment Vitreous hemorrhage Disciform scarring |
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Term
What type of RPE pigmentation increases risk of CNV |
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Definition
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Term
Fluorescein angiography in AMD-relate RPE pigmentation with fluorescence |
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Definition
Pigment clumping-->hypo hypopigmentation -->Hyperfluorescence |
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Term
What is the autofluorescent component of lipofuscin triggered by light exposure |
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Definition
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Term
Where in the retina is drusen found |
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Definition
Between BM of RPE and inner collagenous zone of Bruch's |
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Term
These substances make up what material found in diseased retina Proteins, Vitronectin, Amyloid, Inflammatory components & Immunoligcal products |
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Definition
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Term
Drusen accumulation is thought to be due to what process |
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Definition
Inflammation in the subretinal space |
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Term
How does the presence of drusen affect the chance of developing macular abnormalities |
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Definition
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Term
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Definition
Large Soft Small Hard Familial Calcific |
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Term
Small Hard vs. Large Soft Drusen: size in relation to BV |
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Definition
Small=half a vein width Intermediate=smaller than full width Large=size of large vein at disc margin |
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Term
Small Hard vs. Large Soft Drusen: Borders |
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Definition
Small=well-defined Large= fluffy, indistinct |
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Term
Small Hard vs. Large Soft Drusen: AMD diagnosis |
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Definition
Small-NOT enough to make diagnosis Intermediate-enough for diagnosis Large Soft=enough to make AMD diagnosis!! |
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Term
Small Hard vs. Large Soft Drusen: association with RPE dysfunction |
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Definition
Small=FOCAL dysfunction Large=DIFFUSE dysfunction |
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Term
Large Soft Drusen may appear to similar to what other retinal problem |
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Definition
Clinically identical to RPE detachments |
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Term
Coalescence of Large Soft Drusen can cause what other retinal problem |
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Definition
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Term
FA of Soft Drusen: 2 factors that contribute to the degree of fluorescence |
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Definition
1. Quantity of pigment in RPE
2.Lipid content |
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Term
Which type of drusen: bilateral, elongated and radiating |
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Definition
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Term
Symptoms of Familial Drusen and when they occur |
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Definition
20-30 yo, decreased VA, metamorphopsia, paracentral scotoma |
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Term
DDX between calcific drusen and hard exudates? |
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Definition
Based on level in the retina Drusen=Deep Exudates= Superficial |
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Term
Term for long standing drusen that leave patches of atrophy and deposits |
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Definition
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Term
Sharply demarcated, smooth, dome-shaped, elevations of RPE |
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Definition
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Term
What may result from a collapsed, non-resolved PED |
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Definition
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Term
Appearance of FA of a PED |
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Definition
gradual, uniform staining of sub-RPE |
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Term
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Definition
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Term
3 names for non-exudative AMD |
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Definition
Dry Atrophic Non-neovascular |
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Term
What proportion of Nonexudative AMD progresses to wet |
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Definition
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Term
What proportion of late stage AMD is wet/exudative |
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Definition
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Term
True or False Dry AMD is accompanied by CNV and sub-retinal exudates |
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Definition
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Term
Vision loss due to Nonexudative AMD is most noticable in what conditions |
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Definition
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Term
Visual symptoms of intermediate dry AMD |
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Definition
blurred vision/blind spot Metamorphopsia Reduced contrast sensitivity |
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Term
Geographic Atrophy is characterized by gradual loss in these 3 structures |
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Definition
RPE Choriocapillaris Photoreceptor function |
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Term
Geographic Atrophy results in what changes regarding the Outer Nuclear Layer |
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Definition
It comes to rest directly on the basement membrane of the RPE |
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Term
How does the Outer plexiform layer change due to Geographic Atrophy |
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Definition
Becomes thinned and vacuoled |
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Term
Geographic atrophy accounts for _____________ of visual morbidity in AMD |
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Definition
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Term
Vision loss due to geographic atrophy is most noticed during what type of visual activities |
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Definition
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Term
2 objective findings associated with geographic atrophy |
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Definition
Choroidal atrophy Large choroidal vessels become more prominent |
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Term
Approx Follow up time for Geographic Atrophy |
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Definition
6-12 months depending on severity/extent |
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|
Term
What is the HALLMARK of exudative AMD |
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Definition
Choroidal neovascularization |
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|
Term
How does CNV cause detachment of the RPE or sensory retina |
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Definition
The new vessels leak fluid that detaches the layers |
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Term
Leakage in Exudative AMD can lead to 4 complications |
|
Definition
Serous detachment of RPE Lipid exudation Hemorrhage RPE tears |
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Term
3 subjective visual complaints associated with CNV |
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Definition
Distorted vision Reduced Vision Color distortion |
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Term
Pt presents with visual complaints consistent with CNV, name 3 things you should do |
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Definition
Dilate OCT refer for FA STAT |
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Term
You see these 4 things Gray green membrane Sensory retinal detachment subretinal/sub-RPE hemorrhage Hard exudates What is this? |
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Definition
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Term
How does acuity at time of diagnosis relate to prognosis of AMD |
|
Definition
The worse the acuity the worse the prognosis |
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|
Term
Name a new technology used to monitor progression of AMD |
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Definition
Preferential Hyperacuity Perimeter |
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|
Term
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Definition
much more sensitive in detecting disease |
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|
Term
Disadvantage of PHP over AG |
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Definition
PHP has a higher rate of false positives |
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Term
3 types of CNV membranes on FA |
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Definition
Classic CNVM Minimally classic CNVM Occult CNVM |
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Term
Which type of CNVM is most common |
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Definition
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Term
Which type of CNVM has a well defined membrane |
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Definition
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Term
Which type of CNVM fills with dye in a lacy pattern |
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Definition
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|
Term
Which type of CNVM has a poorly defined membrane and less precise features |
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Definition
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|
Term
2 methods to confirm diagnosis of CNVM |
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Definition
OCT FA is a must to determine treatment |
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|
Term
Name 5 serious complications of CNV |
|
Definition
Hemorrhagic RPE Detachment Hemorrhagic sensory detachment Vitreous hemorrhage Disciform scarring Massive exudation |
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|
Term
FA of a hemorrhagic RPE detachment will show HYPERfluorecence corresponding to the ___________________ and hypofluorescence corresponding to the ____________________ |
|
Definition
Hyper=RPE detachment HYPO=hemorrhage |
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|
Term
Differentiate the color difference in hemorrhagic RPE detachment vs. hemorrhagic sensory |
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Definition
RPE is very dark red, sensoryis a BRIGHT red |
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|
Term
FA of hemorrhagic sensory detachment |
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Definition
Will show HYPOfluorescence due to blockage of choroidal fluorescence |
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|
Term
Vitamin E Vitamin C Beta-carotene These substances all have what in common |
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Definition
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|
Term
Name 2 macular pigments thought to reduce risk/severity of AMD |
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Definition
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Term
AREDS2 study-looking at the effects of higher doses of which 3 substances |
|
Definition
lutein, zeaxanthin an domega-3 fatty acids |
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Term
AREDS2 study-looking at the effects of removing which substance from the original formula |
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Definition
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Term
AREDS2 study-looking at the effects of reducing the amount of which substance in the formula |
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Definition
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|
Term
6 lifestyle choices we can educate our patients about to reduce AMD |
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Definition
UV400 protection balanced diet/green leafy vegetables antioxidants exercise HTN control Quitting smoking |
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Term
DDX of Hard exudates vs. Drusen-difference in location in retina? |
|
Definition
Hard exudates=between IPL and INL Drusen=RPE |
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|
Term
Name 3 vascular diseases associated with Cotton wool spots |
|
Definition
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|
Term
Name 4 'diseases' associated with hard exudates |
|
Definition
DR HTN retinopathy Coat's dz CNV |
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|
Term
What is Macula Risk (ArcticDx)? |
|
Definition
Commercial genetic test (cheek swab) that measures inheritable risk factors for AMD |
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|
Term
What did the AREDS study research? |
|
Definition
how vitamin and mineral supplements affect the progression of AMD |
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|
Term
Result of study on use of fenretinide to treat GA |
|
Definition
slows down damage from A2E and lipofuscin, also reduced the rate of conversion to CNV by 2 fold |
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|
Term
2 forms of destructive therapy for wet AMD |
|
Definition
Laser photocoagulation Photodynamic therapy |
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|
Term
Which levels of progression of AMD had the best results in the Macular Photocoagulation Study |
|
Definition
Those with smaller lesions and worse initial Vas had better and earlier results |
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|
Term
How did the TAP study (tx of AMD with PDT) find PDT affected baseline VAs |
|
Definition
It was found to preserve baseline VA whereas those who were untreated were found to have worse Vas after 2 years |
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|
Term
PDT seems to work best for which type of CNV according to recent studies |
|
Definition
|
|
Term
Name 4 available VEGF inhibitors |
|
Definition
Macugen Lucentis Avastin Eylea |
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|
Term
Name 3 complications due to Macugen (anti-VEGF) injection |
|
Definition
Endophthalmitis Traumatic cataract RD |
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|
Term
According to the presented studies, how does Macugen affect AMD |
|
Definition
delays the progression of AMD, pts still get worse just not as quickly as thoe untreated |
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|
Term
Of the 4 anti-VEGF meds, which does not bind to ALL forms of VEGF |
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Definition
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|
Term
Name 6 ocular complications due to Lucentis |
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Definition
Conj hemes eye pain vitreal floaters increased IOP Endophthalmitis Cataracts |
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|
Term
In the ANCHOR study, which had better results, Lucentis or PDT |
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Definition
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|
Term
When did VA improvement peak in studies on Lucentis |
|
Definition
at 4 months and then it plateaued |
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|
Term
What is Avastin FDA approved to treat? |
|
Definition
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|
Term
General results of the CATT study (Lucentis vs. Avastin) regarding central retinal thickness |
|
Definition
Decrease in thickness was greater with Lucentis monthly than any other group |
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|
Term
General results of the CATT study (Lucentis vs. Avastin) regarding serious systemic effects |
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Definition
Proportion of serious systemic effects was higher with Avastin than with Lucentis |
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|
Term
How does the cost of monthly injections of Lucentis vs. Avastin compare |
|
Definition
Lucentis monthy=$24 000 Avastin Monthly- $600 |
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|
Term
Which anti-VEGF has the longest duration |
|
Definition
|
|
Term
Recommended dosage for Eylea |
|
Definition
1X/month for 3 month then every other month |
|
|
Term
|
Definition
naked endo cells at the edge of the neo complex that lead the expansion of the membrane. They produce a substance that recruits pericytes which then act as a barrier to anti-VEGF monotherapy |
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|
Term
What substance do Tip cells produce |
|
Definition
Platelet Derived Growth Factor |
|
|
Term
Why must anti-VEGF tx be continued forever |
|
Definition
Only the tip cells are killed, thus expansion is inhibited but the remainder of the membrane is unaffected. It will expand once therapy stops |
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|
Term
What substance does Fovista inhibit? |
|
Definition
|
|
Term
What were the results of treating AMD patients with both Lucentis and Fovista |
|
Definition
62% additional benefit, ie. more letters gained with combo tx compared to monotherapy |
|
|
Term
How does treatment with triamcinolone affect progression of neo |
|
Definition
decreases vascular permeability and decreases VEGF |
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