Farnsworth; cast or plastic housing; c/o: carrying handle, aperture assembly, manual or electronic means of color selection, colored filters, neutral density filters, source of illumination, spare lamp, carrying case, metal or plastic plate with instructions for operation; supplied with two plastic covered templates, a scoring template and instructions for examinee template; presents a series of nine pairs of red, white, green colored lights that must be identified by the examinee; vertical pairs of colored filters are permanent and reproducible; locus and tolerance for each three filters given in the ici accordinate system; illumination source: ge airport marker, 120 volt, 40 watt
A device consisting of a lampholder, a set of color standards and an intergal handle. It may contain a battery container. It is designed to provide illuminated colored areas to test color vision. It is not designed for illumination of external objects. For items which provide general illumination, see lantern, electric.
Classification: Other ophthalmic instruments and appliances and parts and accessories
NSN 5990-01-530-8452
NSN 6145-01-411-1210
NSN 6220-01-622-5496
NSN 5910-00-222-6268
NSN 5998-00-305-4087
NSN 5985-00-751-9156
NSN 6240-01-106-2447
NSN 6685-01-180-7697
NSN 5985-01-509-1669
NSN 5915-00-454-7746
NSN 6110-01-519-1693
NSN 6145-00-099-8986