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Primary Eye and Vision Care > Anisometropia and Aniseikonia > Flashcards

Anisometropia and Aniseikonia Flashcards

1
Q

Aniseikonia is a greek word which means what?

A

Unequal images

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2
Q

Commented upon the probability of unequal

image sizes.

A

Donders

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3
Q

Designed iseikonic lenses for aniseikonia.

A

Von Rohr

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4
Q

Discussed the possibility

A

C. Hess

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5
Q

Condition in which the size and shape of the

ocular images are equal

A

Iseikonia

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6
Q

Condition in which ocular images are unequal in size and shape

A

Aniseikonia

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7
Q

Lenses which correct aniseikonia and include also the correction of refractive error.

A

Iseikonic lenses

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8
Q

What are the two types of aniseikonia.

A

Static and Dynamic

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9
Q

What are the classifications of aniseikonia.

A

Symmetrical and Asymmetrical

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10
Q

The size of one ocular image is symmetrically larger that the other

A

Overall

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11
Q

The size of one ocular image is symmetrically larger that the other in one meridian only

A

Meridional

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12
Q

combination of overall and meridional is manifested.

A

Compound

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13
Q

image distortion increases progressively in both directions

A

Pincushion

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14
Q

image size remains the same but there occurs an oblique distortion of shape.

A

Oblique

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15
Q

image difference increases progressively in one direction

A

Prismatic

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16
Q

image distortion decreases progressively in both directions

A

Barrel

17
Q

What are the utilized classification of Davis?

A

Normal and abnormal

18
Q

It is based on a modification of stereopsis.

A

Space eikonometer

19
Q

Based on binocular space perception

A

Space eikonometric method

20
Q

Based on directly comparing perceived image sizes between the two eyes

A

Direct comparison method

21
Q

What does “opia” means?

A

Vision

22
Q

What does “iso” means?

A

Equal

23
Q

What does “metr” means?

A

Measure

24
Q

What does “an” means?

A

Not

25
Q

is defined as a condition in which the refractive status of one eye differs from that the other.

A

Anisometropia

Primary Eye and Vision Care (4 decks)

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