Visual Fields Flashcards by ERICKA Cortes

Q

What is the visual pathway?

A

Eye -> Visual Cortex

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Q

What is the term called where area where vision is partially / reduced?

A

Scotoma

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Q

What is the term called where visual defect is on the same site as lesion?

A

Ipsilateral

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Q

What is the term called where visual defect is on opposite site as lesion?

A

Contralateral

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Q

What is the term called where it affects the same part of visual field of each eye? (L/R)

A

Homonymous

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Q

What is the term called where the complete half of visual has defect?

A

Hemianopia

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Q

What is the term called where quarter of visual field has defect?

A

Quadrantanopia

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Q

What is the central defect?

A

Central Defect

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Q

What is the Arcuate defect>

A

Arch defect

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Q

What is the monocular field of view?

A

150 degrees horizontal
60 degrees superior
50 degrees inferior

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Q

What is the binocular filed of view?

A

Central 120 degrees

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Q

What are some reasons for conducting a visual field?

A

Trauma
Ophthalmic Problems
Eye diseases
Systemic diseases

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Q

Manual Vs Automated Visual Fields :

Humphrey Field Analyzer

A

Automated

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Q

Manual Vs Automated Visual Fields :

Frequency Doubling Technology

A

Automated

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Q

Manual Vs Automated Visual Fields :

Confrontation

A

Manual

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Q

Manual Vs Automated Visual Fields :

Tangent Screen

Study These Flashcards

A

Manual

Q

Manual Vs Automated Visual Fields :

Octopus

Study These Flashcards

A

Automated

Q

Manual Vs Automated Visual Fields :

Goldmann

Study These Flashcards

A

Manual

Q

Manual Vs Automated Visual Fields :

Amsler Grid

Study These Flashcards

A

Manual

Q

Confrontation

Study These Flashcards

A

Examiner faces patient
Kinetic or Static
Monitor Fixation
Quadrants

Q

Tangent Screen

Study These Flashcards

A

Black felt and concentric circles / radiating lines
Kinetic
Fixation Monitoring

Q

Amsler Grid

Study These Flashcards

A

Macular Assessment
Near
Static
Printable Amsler Grid

Q

Goldmann Visual Field

Study These Flashcards

A

Kinetic and Static
Present stimulus
Monitor Fixation

Q

Humphrey Visual Field :

30-2

Study These Flashcards

A

Central 30 degrees with type 2 test points

How many points for 30-2?

76

Humphrey Visual Field : | 24-2

Central 24 degrees but does go out nasally

How many points for 24-2?

68 points

What is the full field 120 useful for?

Drivers test

Frequency Doubling Technology

- Referred to as FDT - Flickering grating pattern - High sensitivity - Short testing time - Does not require 20/20 acuity

What are the components of the Humphrey Visual field?

1. Name and DOB 2. Reliability indices 3. Threshold values 4. Greyscale map 5. Numerical total deviation map 6. Numerical pattern deviation map 7. Total deviation probability map 8. Probability symbols 9. Glaucoma hemified test 10. Visual field indices 11. Gaze tracking

What are ocular conditions with VF defects?

``` Glaucoma Retinitis pigmentosa Pituitary Tumour Stroke Optic neuritis Optic disc drusen ```