Brainscape's Knowledge GenomeTM

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


See full index

PPO Final 1 > Amblyopia and Strabismum > Flashcards

Amblyopia and Strabismum Flashcards

1
Q

Amblyopia and Strabismus

amblyopia is a _____ disorder _____ not congenital more of a ______ problem than an eye problem

A

developmental acquiredbrain

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

Amblyopia and Strabismus

when is the critical period

A

begin around 3-4 months and slowly declines around 6-8 years

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

Amblyopia and Strabismus

eye is resistant to amblyogenic event, but remains modifiable

A

plasticity

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

Amblyopia and Strabismus

rule out ocular pathology as a cause of the decreased acuity by at least performing thorough internal and external health eval w/ DFE

A

exclusion

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

Amblyopia and Strabismus

must be able to document a specific etiology for the amblyopia such as refractive error, strabismus, form deprivatoin

A

inclusion

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

Amblyopia and Strabismus

reduced VA 2ndary to pathology may result in an eye that drifts out

A

sensory exotropia

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

Amblyopia and Strabismus

constant, unilateral, and present before age 7-eso vs exo

A

amblyogenic strabismus

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

Amblyopia and Strabismus

significat difference in refractive error between the 2 eyes

A

anisometropia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Amblyopia and Strabismus

significant bilateral refractive error

A

isoametropia

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

Amblyopia and Strabismus

blurs visual stimuli in a specific orientation depending on the refractive error and axis

A

meridional amblyopia (amblyogenic astigmatism)

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

Amblyopia and Strabismus

what is the refractive error needed for a hyperope with anisometropia? isometropia?

A

> 1D >5D

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

Amblyopia and Strabismus

what is the refractive error needed for myopia w/ anisometropia? isometropia?

A

> 3D> 8D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Amblyopia and Strabismus

what is the refractive error needed for astigmatism for anisometropia? isometropia?

A

> 1.5D > 2.5 D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Amblyopia and Strabismus

most amblyopia will result in acuity loss in the range of ….

A

20/30 - 20/100

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

Amblyopia and Strabismus

most strabismic amblyopia is worse and can result in acuity loss in the range of up to

A

20/200 or rarely 20/400

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

Amblyopia and Strabismus

if there is no improvement in the treatment then…1. 2. 3.

A
  1. incorrect diagnosis 2. wrong rx 3. compliance SHOULD NEVER GET WORSE
17
Q

Amblyopia and Strabismus

a type of amblyopia that is the most severe. physical obstacle to visual stimuli

A

deprivation amblyopia

18
Q

Amblyopia and Strabismus

treatment for amblyope

A
  1. rx2. occlusion
19
Q

Amblyopia and Strabismus

under binocular conditions, the fovea of one eye is looking in a different place than the fovea of the other

A

strabismus

20
Q

Amblyopia and Strabismus

why does strabismus occur?

A

something breaks down fusion

21
Q

Amblyopia and Strabismus

why does strabismus occur? 3 things

A
  1. idiopathic2. sensory -vision degrade in one eye. clarity, size and/or quality 3. mototr - eye movement restricted. neurological, innervational and or physical
22
Q

Amblyopia and Strabismus

2 things to remember about cover test

A
  1. slow down 2. monitor head posture
23
Q

Amblyopia and Strabismus

what are the 2 frequencies what are the 2 lateralities of strabismus

A

intermittent vs constant right, left, or alternating

24
Q

Amblyopia and Strabismus

esos can e ______exos can be ______ verticals are typicall ______

A

small, moderate or large moderate or large small

25
Q

Amblyopia and Strabismus

equal magnitude in all positions of gaze for a given testing distance

A

comitant

26
Q

Amblyopia and Strabismus

change in magnitude > 5 PD in one particular gaze for a given testing

A

non-comitant

27
Q

Amblyopia and Strabismus

what will strabismus that occurs when visual system is immature

A

suppression

28
Q

Amblyopia and Strabismus

what will strabismus that occurs when the visual system is mature

A

dipolopia

29
Q

Amblyopia and Strabismus

what is the cuase of strabismus what is the consequence of strabismus

A

sensory strabismus strabismic amblyopia

30
Q

Amblyopia and Strabismus

what will a significant difference in refractive error between the 2 eyes result in

A

breakdown of fusion as a result of difference in calirty

31
Q

Amblyopia and Strabismus

uncorrected hyperopia may result in a breakdown in fusion because of the ___

A

overburden of accommodative convergence

32
Q

Amblyopia and Strabismus

same as EOMs, excellent at detecting restrictions or overactsion

A

version

33
Q

Amblyopia and Strabismus

monocular eoms ok at detecting restrictions, doesnt detect overactions

A

ductions

PPO Final 1 (9 decks)

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