Intro to Amblyopia

Question 1

This is a condition in which binocular fixation does not occur under normal viewing conditions.

Answer 1

Strabismus

Question 2

What are the 3 different types of strabismus?

Answer 2

1. Heterotropia
2. Tropia
3. Squint

Question 3

This is a unilateral or infrequently bilateral condition in which the best corrected VA is poorer than 20/20 in the absence of any structural or pathological anomalies.

Answer 3

Amblyopia

Question 4

What 3 things must occur before the age of 6 for amblyopia to manifest?

Answer 4

1. Significant RE
2. Constant, uni strab.
3. Image degradation

Question 5

What is the most common cause of visual impairment in both children and young/middle aged adults?

Answer 5

Amblyopia

Question 6

What is an amblyopic/strabismic eye treated?

Answer 6

1. Want px to have good functional vision
2. Psychosocial Aspects
3. Good “spare eye”

Question 7

T/F: Px with strabismus exhibit significantly higher psychosocial and physical distress than those w/o.

Answer 7

True

- more self-conscious about appearance

Question 8

What % of adult strabismus patients surveryed were embarrassed of their appearance.

Answer 8

86%

-correct the strab to reduce these symptoms

Question 9

T/F: Strabismus has an impact on economic status.

Answer 9

True

Question 10

What is the lifetime risk (in %) of serious vision loss in both eyes in amblyopic patients?

Answer 10

1.2 to 3.3%

Question 11

T/F: Px with amblyopia are at a greater risk of losing vision in the sound eye from trauma.

Answer 11

True