Wet AMD Flashcards
Exudative AMD
manifestation of AMD with exudative changes at macula
leads to severe vision loss
Accumulation of ________ in Wet AMD
extracellular fluid
blood
lipid exudates
Fluid in Wet AMD comes from….
normal choriocapillaris thru defective Bruch’s
leaky choroidal NV
fluid not draining from RPE thru defective Bruch’s
Choroidal Neovascularization
new blood vessel growth in RPE/ Bruch’s from choroid
leak fluid, blood, lipids
Symptoms of Exudative ARMD
sudden dramatic loss of vision in one eye
dark spot in vision
Signs of Exudative AMD
accumulation of subretinal fluid and drusen
RPE detachments or tears
CNV
fibrovascular scarring at macula
Serous PED
dome shaped elevation
Fibrovascular PED
irregular elevation
Drusenoid PED
shallow pale areas with scalloped borders
Hemorrhagic PED
dark red dome with well defined outline
RPE Tear
pale crescent where RPE missing next to darker area where it is bunched up
Classic CNV Membranes
well defined membranes
subretinal
Occult CNV Membranes
borders not fully defined
sub-RPE
Fibrovascular Scarring
disciform scarring at macula as end result of wet AMD
Mx of Wet AMD
refer to retinal specialist
anti-VEGF
Macugen
first anti-VEGF
better than laser, but equal to photodynamic therapy
Lucentis
Anti-VEGF
halts vision loss and can improve vision
$2000 per shot
Avastin
Anti-VEGF
not FDA approved
off label
$50 per shot
Eylea
newest anti-VEGF
lasts longer
SE of Anti-VEGF Injections
RD cataract RPE tears infection increase of stroke risk