Adult Test Instructions

This "adult" pseudoisochromatic color vision test is designed and copyrighted by Dr. Terrace L. Waggoner. It has one demo plate and 29 test plates with numbers. The test has been validated by several academic institutes. Each plate is shown for 3 seconds. You have 30 seconds in total to answer. After each plate disappears, enter the number you saw using the on-screen number pad or your keyboard.

• 1

  Position your eyes approximately arm's length away from the monitor.

• 2

  From your line of sight, make sure the test plates are at a 90° angle.

• 3

  Each plate is shown for 3 seconds. You have 30 seconds in total to answer.

• 4

  Enter the number you see on the plate, if there is one, using the number pad on the screen or the keyboard. Selecting 'C' clears your current answer.

• 5

  Select 'N' if you do NOT see a number within the colored dots.

• 6

  After entering your answer, press the Enter (Return) key or select the arrow on the screen.

• 7

  The first plate is a demonstration plate with the number 16. Select the Next button to begin the test.

• 8

  You cannot go back to a previous plate once you have moved on.

• 9

  After all plates are completed, your results will be shown immediately.

• 10

  If you pass, you will receive a printable certificate with your name and the date of the test.

Before the real test you will be shown a demonstration plate with the number 16. It lets you practice entering an answer with the on-screen number pad or your keyboard. When you are ready, select the Next button to begin the test.