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28 Cards in this Set

  • Front
  • Back
If it is Red it is ___
blood
If it is yellow it is ______.
leaking
If it is black it is ____.
remodeling
If it is gray/white it is ____.
vitreous
Black means it is _____ (outer or inner)
outer (think pigment)
Blood lesions typically occur in what part of the retina?
inner
Resolution depends on ______.
brightness
You will get better stereo with ____ power.
lower
Which type of machine shows cross-sectional images of the retina?
optical coherence tomography
What can the OCT show?
the anatomical layers within the retina---the thickness can be measured
The color blue on the OCT printout means ______? (thin or thick)
thin
What are 4 indications for using an ultrasound?
1- opaque media
2- After trauma with suspicious fundus findings
3- for monitoring suspicious pigmented/elevated fundus lesions
4- to take axial measurements
What is the purpose of Fluorescein Angiography?
to CONFIRM diagnoses and direct treatment
How many microns is the macula? the OD?
500
1500
What is the center of the foveola?
umbo
exudates reside in the ____ retina.
inner
Do the retinal vessels normally leak?
NO
What is responsible for the foveal light reflex?
the configuration (the curve) of the INL
T or F: the fovea has no retinal vasculature.
True
Why does the macula appear darker?
1- denser RPE cells
2- Greater melanin within the RPE cells
3- FAZ
4- Retinal macular pigment (zeaxanthine, lutein, xanthophil)
Which layer are the larger (clinically visible) vessels seen in the retina?
in the NFL and GCL
What junctions attach the the RPE cells together?
1- zonula adherens
2- occludens
During FA, which vessel systems fill up first? retinal or choriod?
choroid
Diabetes typically affect the ____ retina?
inner
Trauma/ inflammation typically affect the ___ retina?
outer
What substance is directly responsible for " retina remains with red-free." ?
melanin (absorbs the green wavelength)
What is the size of a vessel going across the disk? What is this helpful in measuring?
125 microns (drusen in the OD)
What does the ISNT rule mean? What is a disease where this rule is helpful in knowing?
the Inferior disk margin is supposed to the the Thickest. In Glaucoma--you will see inferior thinning