The Ishihara color test offers eight number and eight pediatric symbols with larger testing plates for easy screening of children and adults, and your patients with low vision. Checks for both red/green and blue/yellow deficiencies. Includes a Basic Color Vision Test plate, user-friendly instructions, score sheets, tabbed-sections, and protective and antiglare coating on each test page. Useful when children work with a curriculum that includes color.
- Accepted by leading authorities as a simple and accurate method for discovering congenital color blindness and red-green blindness, each in two forms, complete and incomplete
- Includes four special plates for tests to determine the kind and degree of defect in color vision
- Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green
- Consists of a number of colored plates
- On each plate is printed a circle made of many different sized dots of slightly different colors, spread in a random manner
- Within the dot pattern, and differentiated only by color, is a number
- What, or even if, a number is visible indicates if and what form of color blindness the viewer has
- Color plates encased in specially designed album-type books for ease of handling
- Detailed instructions included Care of the plate: It is important that the book of test plates should be kept closed, except during use, because undue exposure to sunlight causes a fading of the color of the plates.