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ARCHIVAL ITEMS
instructions; leaflet
London Optical Company Ltd
Europe: United Kingdom, England, London WC1
1930s
paper
overall: 229 mm x 152 mm
Instruction leaflet for an orthoptic instrument. Mid-sized portrait format, printed in black and white onfour sides, folded. Front cover features a photograph of the product. Includes method of use as a near point rule (monocular accomodation, binocular accommodation, near point of convergence, measuirng accommodation less than 2.5 D) and use, with additional accessories, as a test of the binocular functions (determining the dominant eye, testing for hyperphoria at near, equalisation test, bar reading test, diploscope, Remy separator).
2018.592
Gift of Mr Peter Booth FCOptom, 2018