• Guide for Aviation Medical Examiners Topics
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  • Synopsis of Medical Standards

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Examination Techniques
Item 52. Color Vision

Equipment	Test	Edition	Plates
Pseudoisochromatic plates	Test book should be held 30" from applicant Plates should be illuminated by at least 20’ candles, preferably by a Macbeth Easel Lamp or a Verilux True Color Light (F15T8VLX) Only three seconds are allowed for the applicant to interpret and respond to a given plate
American Optical Company [AOC]		1965	1-15
AOC-HRR		2nd	1-11
Dvorine		2nd	1-15
Ishihara		14 Plate	1-11
		24 Plate	1-15
		38 Plate	1-21
Richmond, 15-plates		1983	1-15

Acceptable Substitutes: (May be used following the directions accompanying the instruments) Farnsworth Lantern; OPTEC 900 Color Vision Test; Keystone Orthoscope; Keystone Telebinocular; LKC Technologies, Inc., APT-5 Color Vision Tester; OPTEC 2000 Vision Tester (Model Nos. 2000PM, 2000PAME, and 2000PI); Titmus Vision Tester; Titmus II Vision Tester (Model Nos. TII and TIIS); Titmus 2 Vision Tester (Model Nos. T2A and T2S); Titmus i400.

Any test not specifically listed above is not an acceptable method of testing for FAA medical certificate. Examples of unacceptable tests include, but are not limited to, the “Farnsworth Lantern Flashlight” and “yarn tests.”