Card Set Information
What does angiography do?
Diagnostic test to see vascular damage or leakage
Diff between fluorescein and ICG?
: seen with visible light- RETINAL CIRCULATION
: seen with infrared light- CHOROIDAL CIRCULATION
Diff of characteristics b/w fluorescein and ICG?
: absorbs blue light, emits yellow green, can diffuse from vessels
: absorbs near infrared, emits infrared, doesnt leak from vessels
Possible hazards of fluorescein/ICG?
dilation urine discolouration
: anaphylatic, cardiac, respiratory
Diff between inner/outter BRB?
: clear pic of retinal bv
: optical barrier to fluorescein and choroidal circulation
Why does the macula appear dark with ICG/FA
macula has absorbing pigments- luthein, zeaxanthin
What does FAF detect?
levels of lipofuscin
hyperfluoresce-> cells are compromised
What is FAF good for?
monitoring progression of disease
edges of lesion are hyperpigmented
ERG purpose and what to look for?
- functionality of retina
- latency and amplitude
reflects general physiological health of PR- outer retinal layers
reflects PR to bipolar cell transmission
- inner retinal layers