Strabismus Flashcards

1
Q

One eye deviated inward while other one fixates

A

Esotropia

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2
Q

Eye positioned outward manifested without breaking fusion can be constant or intermittent and unilateral or alternating

A

Exotropia

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3
Q

In strab the cond in which one eye deviates or sims up while other eye fixates

A

Hyperopia

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4
Q

In strab the cond in which one eye deviates or sims up while other eye fixates

A

Hyperopia

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5
Q

In strab the cond in which one eye deviates or sims downward while other eye fixates

A

Hypertropia

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6
Q

An ability of the 2 eyes to aim at the same time this can result in the eye turning in out up or down a child with an eye turn may experience period of double vision and if untreated this condition can lead to amblyopia( leading cause of amblyopia deviation of alignment of one eye in relation to the other

A

Strabismus

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7
Q

The angle of deviation photos or tropia is the same in all positions of gaze. An angle of turn that is constant in all directions of gaze. Eyes work equally in all directions of gaze.

A

Comitant ( concomitant)

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8
Q

The angle of deviation ( photos or tropia varies according to the position of gaze. Related to paralysis or paresis of one or more ocular muscles this can take many forms and be at a different degree ranges from insequential limitation of gaze on extreme version to significant limitation in near primary gaze ( rarely a true muscle problem almost always a innervations problem) ex a, v,x syndrome

A

Incomitant or non-comitent

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9
Q

Eye turns always or almost always ( our doc if it’s happening majority of time distance or near it will be constant distance only int near only int

A

Constant

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10
Q

Eye turns always or almost always ( our doc if it’s happening majority of time distance or near it will be constant distance only int near only int

A

Constant

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11
Q

Not constant in strab the deviation is manifested irregular ly it is not always present there are times and cond when the eyes are aligned motor fusion eye position comitancy

A

Intermittent

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12
Q

Superimposition refers to common localization of dissimilar but compatible images presented separately to each eye fish and bowl fusion. Of dissimilar but compatible images presented separately to each ete

A

First degree fusion

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13
Q

Flat fusion single simultaneous perception of identical targets normally a suppression control

A

2nd degree fusion

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14
Q

Stereopsis perception of depth vecto

A

3rd degree fusion

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15
Q

Refers to the cond where all or part of the visual field is not perceived suppression occurs upon simultaneous stim of both eyes as the main purpose of supression is to secure single vision where it could not be otherwise attainable

A

Supression

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16
Q

Suppression that occurs due to gross inequalities in the visual info between the eyes as in anisometropia or amblyopia this suppression is generally thought to be more shallow than other type of suppression and easier to eliminate

A

Passive suppression

17
Q

Suppression that occurs due to gross inequalities in the visual info between the eyes as in anisometropia or amblyopia this suppression is generally thought to be more shallow than other type of suppression and easier to eliminate

A

Passive suppression

18
Q

All the time ( most of the time) l majority both distance and near

A

Constant strab

19
Q

All the time ( most of the time) l majority both distance and beat

A

Constant strab

20
Q

Occurs sometimes

A

Intermittent Strab

21
Q

Tendency only when fusion broken

A

Phoria

22
Q

Tendency only when fusion broken

A

Phoria

23
Q

Manifested without barking fusion can can be constant or intermittent and unliteral or alternating

A

Tropia

24
Q

Reflex actions that are exhibited in infants but not neurologically intact adults in response to certain stim these are suppressed by the dev of frontal lobes as child transitions normally into child dev
- first movements that begin in utero about 7 get when brainstorm forms and nervous system has established connections between sensory and motor neurons
- neuro code to cause body to move in certain pattern
As the fetal. Brain dev new codes reflex movement pattern are released
Categories based on stim resp pattern of movement

A

Primitive reflexes