Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Ophtho 2 > Slit Lamp > Flashcards

Slit Lamp Flashcards

1
Q

I dont know what normal is…

A

but I know what abnormal is!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Explain the lacrimal system

A

lacrimal duct>puncta>canaliculus (tube)>lacrimal sac>nasolacrimal duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The “angle” is graded as? (3)

A

open, narrow, closed

Open had grades 1-4, each corresponding with their degrees.
Grade 1= 10 degrees between iris and cornea
Grade 2= 20 degrees
Grade 3= 30 degrees
Grade 4= 40 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What might you suspect if you see “dust” in the anterior chamber?

A

WBCs/inflammation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What might you suspect if you see a “milky haze” in the anterior chamber?

A

This is called a flare, foggy appearance from protein that has leaked from inflamed blood vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Anterior segments functions

A

protection and clarity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Is the cornea alive? does it have vasculature?

A

Yes and No.

It is alive but is avascular.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Cornea

  • features
  • components
A
  • It is the starting place for refraction
  • water tight
  • lipid soluble
  • Epithelium (24-36 hour replacement)
  • Stroma (structure, 90%, can scar, relies on correct % of water [too much or too little=cloudy])
  • Endothelium (pump)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Conjunctiva has effects of vision if:

A

infection
mucus laden
swollen
foreign body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What must you do to the palpebral conjunctiva during an exam?

A

Roll it over and look at it!!

Look for a FB, allergy, viral/bacterial infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Aqueous Humor is made where? drained where?

A

made in the ciliary body behind the iris and drained by trabecular meshwork

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the trabecular meshwork?

A

a drainage/ filtrations are of the anterior chamber

  • can be damaged
  • can get plugged
  • can be modified with medications or lasers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the adujustable focusing portion of the eye?

A

the Lens!

  • grows constantly from birth
  • can be affected by trauma and medications
  • 80% of people 65 and older will develop a cataract
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is epiphoria?

A

excessive tear production/ watery eyes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the components to the tear film?

A

water
oil
mucus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Functions of the lid

A

move tears, protection

17
Q

Function of lashes

A

protection

18
Q

What is Trichiasis?

A

a turned/ misdirected eyelash

19
Q

What is important to check when presented with a “red” eye?

A

preauricular nodes! If they are swollen, it may be an indication of a viral infection… helpful to rule out bacterial and allergic etiologies

20
Q

Explain what it means to have “yoked” EOMs

A

Yoked= each pair teamed

  • as the lateral pulls, the medial must relax
  • the opposite happens on the other eye
21
Q

What controls accommodation?

A

ciliary body

22
Q

What is the most common non-injury related diagnosis?

A

conjunctivitis

23
Q

Options for the management of foreign bodies

A

Fluoroscein
Irrigation
Removal- loop, spud, 22g needle, alger brush, broken Q-tip
Pressure patch- we don’t use this very much

**Don’t guess! If its penetrating, don’t remove

24
Q

A tip for eye ointment instillation-

A

use a finger and apply to inner, lower lid. It stays better.

25
Q

How is visual acuity measured?

A

Snellen chart

26
Q

Types of visual acuity charts

A

wall chart, mirrored projector, other charts, near charts

27
Q

Visual field can be tested and quantified. True or false?

A

True! It also give information on whole visual system

28
Q

Retinal health is a reflection of…

A

overall health

29
Q

The retina is the optic nerve head. This means that minor damage could cause what?

A

major vision loss. It is a concentrated nerve bundle.

30
Q

Rods are good for…

A

peripheral and night vision

31
Q

cones are good for

A

central and color vision

32
Q

What is pallor? (in the retina)

A

maximal area of color contrast

33
Q

What is cupping? (in the retina)

A

bending of small blood vessels crossing disc

34
Q

Do cupping and pallor always correspond?

A

Nope.

35
Q

Tonometry tools

A 
Goldmann
Perkins
Schiotz
Air-puff
Pulsair 2000 (keeler)
Tono-Pen

Ophtho 2 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions