Optometer

Optometer

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Description
An optometer is used for determining the refractive index of eyes. This example was apparently designed for buying glasses without the help of an optician or ophthalmologist. An inscription reads “C. G. Optical Co. Self-Test Optometer.”
Location
Currently not on view
Object Name
Optometer, Self Test
optometer, self test
date made
ca 1952
maker
C.G. Optical Co.
place made
United States: Illinois, Chicago
Physical Description
paper (overall material)
wood (overall material)
glass (overall material)
Measurements
overall: 33.5 cm x 21 cm x 15.1 cm; 13 3/16 in x 8 9/32 in x 5 15/16 in
overall, cardboard spectacles: 14 in x 2 5/8 in; 35.56 cm x 6.6675 cm
as stored, optometer: 7/8 in x 15 1/4 in x 6 in; 2.2225 cm x 38.735 cm x 15.24 cm
ID Number
MG.274347.125
accession number
274347
catalog number
274347.125
Credit Line
Department of Health, Education and Welfare, Food and Drug Administration
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History
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