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Ishihara's test is composed of a series of colored cards on which numbers or lines of equal shade can be read by a person with normal color vision but not by someone with defective color vision. It makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared to red and green. The color plates are encased in specially designed album-type book for ease of handling. It includes four special plates for tests to determine the kind and degree of defect in color blindness. This color blindness test is accepted by leading authorities.
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Date:
June 07, 2009
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Our redesigned Easel illuminator provides the proper angle for Pseudoisochromatic plates. The easel helps avoid damaging fingerprints on the plates because the plates are presented standing on their own.
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Company:
Date:
June 29, 2009
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Our redesigned Flat Tray illuminator comes with a removable Flat Tray. This permits easy installation of an easel for testing with Pseudoisochromatic Plate books (available separately). The Flat Tray is specifically designed to be used with Color Arrangements tests such as the Farnsworth 100 Hue, Farnsworth D15 and Lanthony Desaturated D15 tests or any other arrangement tests.
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Company:
Date:
June 29, 2009
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Our redesigned Flat Tray illuminator comes with a removable Flat Tray. This permits easy installation of an easel for testing with Pseudoisochromatic Plate books (available separately). The Flat Tray is specifically designed to be used with Color Arrangements tests such as the Farnsworth 100 Hue, Farnsworth D15 and Lanthony Desaturated D15 tests or any other arrangement tests.
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Company:
Date:
June 29, 2009
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Our redesigned Flat Tray illuminator comes with a removable Flat Tray. This permits easy installation of an easel for testing with Pseudoisochromatic Plate books (available separately). The Flat Tray is specifically designed to be used with Color Arrangements tests such as the Farnsworth 100 Hue, Farnsworth D15 and Lanthony Desaturated D15 tests or any other arrangement tests.
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Company:
Date:
June 29, 2009
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The easel is removable for installation of a Flat Tray in order to use the Illuminator with arrangement tests. Includes convenient hand hold for ease of transport, light switch and 4 ft cord.
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Company:
Date:
June 29, 2009
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Our redesigned Easel illuminator provides the proper angle for Pseudoisochromatic plates. The easel helps avoid damaging fingerprints on the plates because the plates are presented standing on their own. The easel is removable for installation of a Flat Tray in order to use the Illuminator with arrangement tests. Includes convenient hand hold for ease of transport, light switch and 4 ft cord. The 220 volt version is furnished with voltage converter.
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Company:
Date:
June 29, 2009
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Each of the color tests listed recommends daylight or equivalent for proper illumination. This includes Farnsworth D15, 100 Hue, SPP, HRR and Ishihara, for example. The bulb gives off 6280 degree K light which closely matches the standards set by the International Commission of Illumination. The Daylight bulb has been the subject of numerous color vision testing studies (see list below) and has been the recommended light source since the MacBeth Lamp became unavailable. The Daylight Illuminators have been approved by the U.S. Food and Drug Administration and the U.S. Defense Personnel Support
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Company:
Date:
June 29, 2009
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Complete double set of 16-hue stimulus caps (32 test caps).Allows individual to match caps during testing.Stimulus reduction squares included to allow quantitative testing with the standardized caps.Caps have protective coating, decreasing the risk of the stimulus area becoming smudged.
Each cap measures 1.5 x 1.5 in.Reduction squares and caps are stored in handcrafted solid oak box.
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Company:
Date:
April 23, 2009
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The Richmond Products version of the Farnsworth 100 Hue Test comes boxed in clear acrylic containers which make scoring easy and reduces the potential for test disruption by holding the patient's disc sequence intact.
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Company:
Date:
June 22, 2009
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