Optic Disc Flashcards
If the ratio of optic cup:disk is high what does this indicate?
glaucoma
What are the three Cs to remember about the optic disc?
colour
cup
contour
Is the optic cup has fewer fibres, is the cup larger or smaller?
larger
In long sightedness is there a smaller or larger cup?
smaller
What is the colour of the optic disc a combination of?
circulation and myelin
What do blurry margins suggest?
swelling of tissues
What 3 things cause swelling of tissues?
inflammation of nerve
infiltration - lymphomas/leukemia
hold up of fluid - raised ICP
Does raised ICP affect one or both eyes?
BOTH
What is bruxism?
grinding of teeth
What symptom can bruxism lead to?
bitemporal headache
Why are veins darker than arteries?
More blood in veins, because arteries have more muscle
What is likely for a young female patient with a swollen disc in one eye to have?
MS
Is papilloedema uni or bilateral?
bilateral