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Freeman bi-chromatic test
OPTOMETRIC INSTRUMENTS
bi-chromatic test
Harry Freeman
Europe: United Kingdom, England, London
Mid-late 20th c.
plastic
overall: 122 x 68 x 33 mm
2001.309
OPTOMETRIC INSTRUMENTS
bi-chromatic test
Harry Freeman
Europe: United Kingdom, England, London
Mid-late 20th c.
plastic
overall: 122 x 68 x 33 mm
One of three prototype OMIS and bi-chromatic tests devised at home by Harry Freeman. White plastic bicycle lamp with red/green test film applied to bulb screen. Includes also a Freeman Ocular Muscle Imbalance Screener (OMIS) near test.
2001.309
Gift of Mr Philip Freeman, FCOptom, 2001