WAGGONER COLOUR VISION TESTING MADE EASY (CVTME)
Product code: ACEY007
Waggoner’s Color Vision Testing Made Easy (CVTME) is accepted worldwide as the Gold Standard for pediatric color vision testing.
Color Vision Testing Made Easy (CVTME) is the pediatric gold standard for identifying genetic (red/green) color vision deficiencies in children as young as 3. It consists of one demonstration plate and 9 test plates displaying circle, star, and/or square throughout the plates and can be completed in under 60 seconds. On most plates, children will be able to see at least one symbol even if they are color vision deficient. If they can’t identify one symbol on the first few plates, they may not understand the test.
In addition, CVTME provides a quick screening by using 4 cards that have a car, dog, boat, and house. This test can be completed in less than 30 seconds.
CVTME is brilliantly simple to take and just plain fun for children. Considered the gold standard for pediatric assessment of color vision deficiencies in over 40 countries.
Why use CVTME?
Excellent screening for children who don't know their numbers. On most plates, children will be able to see at least one symbol even if they are color vision deficient, helping to identify if the child understands the test or not.
Gold standard for pediatric color vision testing - used by the World Special Olympics to test athletes.
Able to screen children for color vision deficiencies as young as 3 years-old.
Brilliantly simple to take, easy to score and just plain fun for children.
Instructions for use
CVTME consists of one demonstration plate and nine test plates (labeled 1-9) displaying a star, circle or square. If an individual correctly identifies eight of the nine test plates, they pass.
Distance: 24-30 inches from the subject and 90° to their line of sight
Time: The subject has exactly 30 seconds to identify each plate. Hesitation may be an indication of a color vision deficiency.
Lighting: The test was designed using CIE Source C illuminant, therefore, the test should be administered under these conditions (e.g. using a color corrected natural daylight lamp).
An individual must correctly identify 8 of the 9 cards to pass. Color deficient individuals should correctly identify the demonstration card and one object on the first six cards. This checks for malingering and confirms the individual understands how to take the test.
Use the four cards with the car, dog, boat and house. The car is a demonstration card and checks for malingering. If the subject can't identify any of the three remaining cards, re-test them using cards 1-9 with the star, circle and square for confirmation.
For very young. children or those with special needs, simply ask them to find the circle on cards 1-9. If they find eight of nine, they pass. Every subject should find one circle on cards 3, 4 and 5, if not, they do not understand the cards, or are malingering. This technique was successfully used at the World Special Olympics.