Vision/visual perceptual assessments

Question 1

clock drawing test

Answer 1

client is asked to reproduce a picture of a clock set to a specific time-this test visual memory, visual perception, executive functioning, abstract reasoning, selective attention

Question 2

Ishihara color test

Answer 2

measure of color perception this test for red or green color defeciencies

Question 3

contrast sensitivity

Answer 3

measures how a person can discern objects with fuzzy, poorly defined edges low contrast objects that may be darker or brighter on either side

Question 4

glare recovery

Answer 4

measures how quick a person recovers vision after exposure to a bright light source

Question 5

letter number cancellation

Answer 5

these assessments test visual scanning, selective attention, and visual spatial abilities as the client scans through a grouping of letters and has to select and draw a line through the targeted letter

Question 6

ocular movement

Answer 6

test convergence, divergence, saccades etc clinician will move pencil finger etc. in space drawing shapes or letters and ask the patient to track the movement of the object

Question 7

symbol digit modalities

Answer 7

measures attention, visual scanning and motor speed by asking the client to match a series of letters to symbols using a reference key

Question 8

Useful field of view

Answer 8

assesses the ability to visually scan information using central and peripheral vision,cognitive processing, attention and to process that information in a timely fashion.
-also used to measure crash risk