Objective 4

Question 1

Measures the peripheral field and is performed by having the patient fixate on the examiners opposite eye while the examiner moves a target in form the periphery until the patient can see it.

Answer 1

Confrontation Field Test

Question 2

A portable device consisting of a box with a series of 10 cards with distinctive patterns printed in fluorescent materials.

Answer 2

Harrington-Flocks Screener

Question 3

A series of grid like charts in a small notebook used to test central field defects.

Answer 3

Amsler Charts

Question 4

This test measures central fields and determines any variation of the normal blind spot.

Answer 4

Tangent Screen Test

Question 5

Define field of vision.

Answer 5

The field of vision is the entire expanse a person is capable of seeing.

Question 6

Define the central field

Answer 6

The central field of vision is the area 30 degrees out from straight ahead.

Question 7

Define the normal blind spot

Answer 7

The normal blind spot is the area 15 degrees temporal to fixation corresponding to the front of the optic nerve.

Question 8

Define Scotoma

Answer 8

A scotoma is the term used to describe any area of visual field loss.

Question 9

The normal visual field extends approximately

Answer 9

90 degrees temporally, 60 degrees nasally, 60 degrees superiorly, and 70 degrees inferiorly

Question 10

The recommended standard for personal use driving is…

Answer 10

120 continuous degrees along the horizontal meridian and 15 continuous degrees above and below fixation with both eyes open and examined together.