[Astigmatism test]

Object detail

Accession number

MSS-2019-55

Maker

American Optical Company

Description

Eye test for checking for astigmatism. Features a circular chart with the numbers 1 to 12 in a clockwise formation. Sets of three parallel lines lead to each of the numbers.

Media/Materials

Processed Material/Paper/Cardboard

Physical description

1 chart ; 35 x 35 cm

Record level

Item

Credit line

American Optical Company. Unknown. [Astigmatism test], MSS-2019-55. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).

Current rights

My shortlist

Classification

Table, Medical Table, Examination Tools & Equipment for Science & Technology Medical & Psychological T&E Medical Accessories

Production place

United States of America North America Americas

Subject: all levels

<C> Optometry Optical instruments <C> Vision disorders

Collection type

Ephemera and manuscripts Walsh Memorial Library

Subject auto tags

Furniture Rectangle Table Art Clock Font Circle Parallel Symmetry Automotive wheel system

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