Color Testing


Color vision tests are carried out for each eye separately. Color exams are diverse in terms of the degree of difficulty and their use depends on the purpose for which the test is used, as well as visual acuity and age.

Description of color vision tests

The Ishihara plate test

These pseudoisochromatic plates only allow the assessment of color vision disorders in terms of the colors red and green. Blue visual disturbances can not be detected by this test. The test is performed in bright light from a “reading” distance. If necessary, the patient may wear appropriate glasses. The first plate is seen even by people with impaired color vision. It is used, among others, to detect people simulating color vision disorders. The test includes several pseudoisochromatic plates, each composed of a pattern of differently shaded dots.  Within each pattern, a number is present. To a color-deficient person, all the dots in one or more of the plates will appear similar or the same. A person without a color deficiency, will distinguish different shaded dots and will be able to read the number on the plate.

The simplest  and most famous color vision test available. It is to assess the perception when looking for any red object (eg. a crayon, cap, button).  The patient subjectively evaluates the saturation of the color and has to arrange the colors plates in the correct order.

Farnsworth D-15 Dichotomous Color Blindness Test

Often used in evaluating vision screening test of red, green and blue. Consists of arranging colored plates or discs in the correct order.

Farnsworth-Munsell 100 HueColor Vision Test

Rarely performed test with 85 colored blocks of various colors, which should be placed so that their colors passed smoothly into one another. The test is time consuming and requires a lot of concentration. The results are applied to the special schemes, allowing you to thoroughly assess the vision of red, green and blue.

Indications for color testing:

  • congenital or acquired disorders of color vision,
  • macular disease,
  • driver testing.

Indications for the evaluation of the red color desaturation:

  • optic nerve neuropathies (desaturation in the center of the field of view),
  • damage to the optic nerve junction (desaturation in the peripheral field of view).
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Ideal Family Eye Care, LTD Sylwia Szewczyk, OD & Associates
5526 N Milwaukee Avenue, Unit B
Jefferson Park

Chicago, IL 60630
Phone: 773-774-2200
Fax: 773-774-2211
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