Slit Lamp and Other Procedures Flashcards Preview

Opthomology > Slit Lamp and Other Procedures > Flashcards

Flashcards in Slit Lamp and Other Procedures Deck (27):
1

What can the slit lamp examine?

anterior segment anatomy

2

How is the anterior angle of the eye graded?

Numbered grading too?

open
narrow
closed

Grade 1= 10 degrees
Grade 2= 20
Grade 3= 30
Grade 40 = 40

3

What should you do before you dilate the eye?

always take a look at the angle to see if its narrow

4

What happens when we see cells flaring (like dust has been kicked up) in the anterior chamber?

White blood cells floating around

5

Is the cornea vascular?

no

6

How does the cornea react to water?

water tight and lipid soluable

7

What does the endothelium act as?

a pump (controls amount of water let in)

8

What happens to the stroma if there is too little or too much water?

cloudy

9

Why do we need to look at the palpebra?
4

-FB
-Allergy
-Viral infection
-Bacterial infection

10

What do the flare and cells mean?

inflammation
Iritis or Uveitis

11

Dilator muscle controlled by?

sympatheic

12

constrictor muscle controlled by

parasympatheic

13

What does a preauricular node rule out?

bacterial and allergic etiologies (its viral)

14

What controls accommodation?

ciliary body

15

What makes the aqueous?

ciliary processes

16

Where is the choroid located?

b/w sclera and retina

17

Whats something we can use to make treat corneal abrasion?

bandage contact lens so it can stop irritating the hangnail

18

What is very quick and effective screening for drugs or trauma in the eyes?

Pupils and EOMS

19

What are we testing with a visual field test?

function of the optic nerve and visual pathways

20

Whats are the structures that the nerve impulse goes to get to the brain?
5

Optic Nerve
Chiasm
Lateral Geniculate Body
Optic Radiations
Visual Cortex

21

Anything that affects the retina or retinal vasculature will affect what?

vision/refractive satus

22

5% of the retina that is your fovea(macula) is responsible for how much of your vision?

95%

23

What part of your anatomy is responsible for peripheral vision?

How about Central?

rods


Cones

24

What happens if the blood brain barrier becomes plugged?

emboli/vasculature occlusion = STROKE

25

In glaucoma what would happen to the cup size?

LARGE

26

Cupping is what?

bending of small blood vessels across the disc

27

Types of tonometry?
5

goldmann
perkins
air-puff
tono-pen
Keeler or Pulse air