Visual Field

Question 1

that area of space that a person can see at one time

Answer 1

Visual Field

Question 2

Monocular Visual field is the _____

Answer 2

3-dimensional “Hill of Vision”

Question 3

Degree of Monocular Visual Field:

Answer 3

150 degrees

Question 4

remaining portion of visual field that is not seen by the OPEN EYE:

Answer 4

Temporal Crescent

Question 5

Units of measurement of a visual field

Answer 5

degrees from fixation

Question 6

degree of temporal crescent:

Answer 6

30degrees

Question 7

is the superimposition of the two monocular visual fields:

Answer 7

Common binocular visual field

Question 8

degree of common binocular visual field:

Answer 8

120 degrees

Question 9

Presentation of stimulus of known size and intensity outside borders of VF or within blindspot

Answer 9

Kinetic Perimetry

Question 10

area of reduced or absent visual sensitivity inside an isopter

surrounded by area of normal or higher sensitivities

Answer 10

SCOTOA

Question 11

line connecting all points in the visual field with the same threshold (for a given test spot)

Answer 11

ISOPTER

Question 12

boundary between area of visibility to the area of non-visibility

Answer 12

ISOPTER

Question 13

Location of Central VF defect:

Answer 13

5 degrees or less from the point of fixation

Question 14

Location of Paracentral VF defect:

Answer 14

• greater than 5 degrees to 30 degrees
• coecal, paracoecal, pericoecal, centrocoecal

Question 15

location of Peripheral VF defect:

Answer 15

greater than 30 degrees

Question 16

Limits of Normal Visual field:

Answer 16

T = 90degrees

I = 70-75 degrees

N = 60 degrees

S = 65 degrees

Question 17

line connecting the isopters:

Answer 17

Isometric line

Question 18

Shapes of VF defect:

Answer 18

Sectorial (hemianopsia) or non-sectorial (regular or irregular)

Question 19

distance of blind spot from fixation point:

Answer 19

15degrees

49minutes

Question 20

Height of the Blindspot:

Answer 20

7degrees 40minutes

Question 21

Width of blindspot:

Answer 21

5degrees 28minutes

Question 22

Enlargement of Blindspot:

Answer 22

Seidel’s sign

Question 23

arcuate scotoma associated with Glaucoma:

Answer 23

Bjerrum’s sign

Question 24

complete arcuate scotoma that ends at the nasal horizontal meridian:

Answer 24

Roenne’s nasal step

Question 25

scotoma common in migraines:

Answer 25

Scintillating scotoma

Question 26

Oval shaped scotoma caused by:

Answer 26

toxic amblyopia

Alcohol toxicity

tobacco toxicity

Question 27

automated perimeter used for older children

Answer 27

Humphrey automated perimeter

Question 28

allowance of the Blind spot

where there is confusion in the area

Answer 28

Amblyopic Zone - 1 degrees

Question 29

test that produces a full hemispherical light source to photo-stress the retina when maculopathy is suspected

Answer 29

BAT - Brightness Acuity Test

Question 30

a sensitive test for detecting patients with macular disturbances such as cystoid macular edema, central serous choroidopathy and senile macular degeneration

Answer 30

Macular Photo-stress Test

Question 31

a psychophysical perception wherein lateral motion of an object in the field of view is interpreted by the visual cortex as having a depth component

due to relative difference in signal timings between the two eyes

Answer 31

Pulfrich Phenomenon