Visual Fields

Question 1

What is the visual pathway?

Answer 1

Eye -> Visual Cortex

Question 2

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

Answer 2

Scotoma

Question 3

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

Answer 3

Ipsilateral

Question 4

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

Answer 4

Contralateral

Question 5

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

Answer 5

Homonymous

Question 6

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

Answer 6

Hemianopia

Question 7

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

Answer 7

Quadrantanopia

Question 8

What is the central defect?

Answer 8

Central Defect

Question 9

What is the Arcuate defect>

Answer 9

Arch defect

Question 10

What is the monocular field of view?

Answer 10

150 degrees horizontal
60 degrees superior
50 degrees inferior

Question 11

What is the binocular filed of view?

Answer 11

Central 120 degrees

Question 12

What are some reasons for conducting a visual field?

Answer 12

Trauma
Ophthalmic Problems
Eye diseases
Systemic diseases

Question 13

Manual Vs Automated Visual Fields :

Humphrey Field Analyzer

Answer 13

Automated

Question 14

Manual Vs Automated Visual Fields :

Frequency Doubling Technology

Answer 14

Automated

Question 15

Manual Vs Automated Visual Fields :

Confrontation

Answer 15

Manual

Question 16

Manual Vs Automated Visual Fields :

Tangent Screen

Answer 16

Manual

Question 17

Manual Vs Automated Visual Fields :

Octopus

Answer 17

Automated

Question 18

Manual Vs Automated Visual Fields :

Goldmann

Answer 18

Manual

Question 19

Manual Vs Automated Visual Fields :

Amsler Grid

Answer 19

Manual

Question 20

Confrontation

Answer 20

Examiner faces patient
Kinetic or Static
Monitor Fixation
Quadrants

Question 21

Tangent Screen

Answer 21

Black felt and concentric circles / radiating lines
Kinetic
Fixation Monitoring

Question 22

Amsler Grid

Answer 22

Macular Assessment
Near
Static
Printable Amsler Grid

Question 23

Goldmann Visual Field

Answer 23

Kinetic and Static
Present stimulus
Monitor Fixation

Question 24

Humphrey Visual Field :

30-2

Answer 24

Central 30 degrees with type 2 test points

Question 25

How many points for 30-2?

Answer 25

76

Question 26

Humphrey Visual Field :

24-2

Answer 26

Central 24 degrees but does go out nasally

Question 27

How many points for 24-2?

Answer 27

68 points

Question 28

What is the full field 120 useful for?

Answer 28

Drivers test

Question 29

Frequency Doubling Technology

Answer 29

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

Question 30

What are the components of the Humphrey Visual field?

Answer 30

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

Question 31

What are ocular conditions with VF defects?

Answer 31

Glaucoma 
Retinitis pigmentosa 
Pituitary Tumour 
Stroke 
Optic neuritis 
Optic disc drusen