Genothalmic refractor

Catalogue Number: 2137
Genothalmic refractor
Category: Equipment
Sub-Category: Refractor Phoropter Phorometer
Year Of Publication/Manufacture: 1920s
Time Period: 1900 to 1939
Place Of Publication/Manufacture: Mount Vernon. New York, USA
Publisher/Manufacturer: General Optical Co Inc
Description Of Item: Refractor, black crackle finish, with encased rotating discs of spherical and cylindrical lenses for each eye with adjusting slide to fit the distance between the patientt's eyes, with a mm scale, provision for introducing supplementary lenses for high refractive errors, pairs of Maddox rods, Risely prisms and rotating prisms that can be swung into place for measurement of binocular vision coordination. Stem for mounting on to a stand or wall bracket. Marked on front 'GENOPHTHALMIC REFRACTOR 3835-A' and 'GENERAL OPTICIAL CO INC MOUNT VERNON N.Y. U,S,A.' and on back 'LICENSED PAT SEPT 18-1917'.
Historical Significance: See other examples Cat Nos 932, 1121 and 1122 and Manual for the instrument at Cat No 1795
How Acquired: Donated by Graeme Wood, member of the College
Date Acquired: 2001
Condition: Good
Location: Archive room. West wall. Unit 3 Drawer 4

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