Lec 1: Tissue Evaluation of Posterior Segment Flashcards
What is the role of anesthetic?
loosen junctions so drops get in better
If patient looks to their left where do you move?
I move to my left. (opposite)
how do we know we tromboned to the right spot?
spot is in the pupil
if pinpoint light is too low, where do we need to move our hand?
up
each time you have the pt move their fixation, you should be moving yourself to maintain a position _________________________________.
as close to 180 from the pt’s fixation as possible
Visualizing superior retina, how does the doctor position themselves?
sitting
Visualizing the inferior retina, how does the doctor position themselves?
standing up or sitting with stool raised up;
hand is one width above hand or
45 degree angle
keep surface of lens approximately _______ to the light/sight path (by aligning front and back surface reflections)
perpendicular
keep sight-path and light-beam on a straight line through the ___________ of lens and __________ of entrance pupil of pt eye
center and center
How many peripheral views are there?
8
counterclock wise
How many posterior/midperipheral views are there?
4
Which poles when viewed gives the most glare?
How do we fix the glare?
posterior pole
wiggle lens and work on tromboning
What if pt is looking above head and we see no ON in view?
they looked too far up
if we are looking at left eye and want to see superior temporal, where are we?
inferior nasal (opposite); we are to the right of pt knee
if we want to look at inferior nasal right eye, where are we?
superior temporal; move to my left
if we can see ON in our view, are we still looking in mid periphery?
no! she might need to be moved up, or look higher
What do you see in the condensing lens?
upside down and reversed left to right
You are studying where the patient looks. T/F
true
if pt is looking to their left, how do u examine inferior nasal OD?
standing and looking down on the retina
when pt looks down, if cornea is buried into lower lid, what do we do?
pull gently enough to get lids and lashes out of the way,
or tell pt to look at stomach instead of the floor
if you lose your view when tromboning, how do we fix it?
we drifted out of the pupil, so we need to start over
if we are on pt for left side, and run into their nose, where do we turn pt face?
turn their face towards you
for brown eyes, what color is red reflex?
how do we adjust light for that?
dark orange due to darker fundus
brighter illumination
why are you seeing double vertically with BIO?
BIO is tilted sideways
why are u seeing double horizontally with BIO?
incorrect PD
how do u fix excessive reflections?
tilt lens slightly from perpendicular
first inner ring in retinal mapping
equator
second middle right in retinal mapping
ora serrata
outer third ring in retinal mapping
ciliary process
where is the macula located?
temporal and inferior to ON
where are dentate processes?
nasal
if patient is looking up, and we are viewing Superior OS, where is it in the lens?
bottom of lens
