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Methods > Amblyopia > Flashcards

Amblyopia Flashcards

1
Q

Amblyopia

A

Loss of visual acuity in one or both eyes that cannot by improved with corrective lenses

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2
Q

Causes of Amblyopia

A

Vision deprivation/ not enough stimulation

abnormal binocular interaction

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3
Q

What percentage of Americans reportedly have amblyopia?

A

2-4%

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4
Q

Critical Period

A

6-8 years
visual system is still developing
neurological development not impaired

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5
Q

Cause of Refractive Amblyopia

A

Blur

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6
Q

Cause of Strabismus induced Amblyopia

A

Different targets

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7
Q

Cause of Deprivation induced Amblyopia

A

degraded image or occlusion

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8
Q

Meridional Amblyopia

A

due to uncorrected high astigmatism in one or both eyes

Refractive

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9
Q

Isoametropic Amblyopia

A

caused by very high refractive error in both eyes
retinal image cannot be obtained
Refractive

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10
Q

Refractive error that can possibly cause esotropia

A

HIGH hyperopia

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11
Q

Anisometropic Amblyopia

A

One good eye and one with significant refractive error

causes constant blur

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12
Q

Hyperopic Anisometropia

A

minimum of +1.00D can cause
from difference of hyperopia in 2 eyes
can cause esotropia

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13
Q

Myopic Anisometropia

A

2 different myopias in both eyes

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14
Q

Early Onset Strabismus

A

within 6 months of birth

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15
Q

Accommodative Strabismus

A

due to hyperopia

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16
Q

Acquired Strabismus

A

from injury or disease

17
Q

Types of Sensory Adaptions

A

Amblyopia
Scotoma/ Suppression
Anomalous Correspondence

18
Q

Effects of Strabismic Amblyopia

A

Monocular Adaptions, Anomalous Correspondence, Anomalous Oculomotor Behaviors
fixation pattern and eye movement accuracy

19
Q

Spacial Uncertainty

A

causes patients to read out of order or drop letters

can normally read first and last letters

20
Q

Eccentric Fixation

A

not using the fovea

Methods (6 decks)

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