Diagnostic and Therapeutic Instrument for Disorders of the Eyes

1,159,797. Testing eyes. D. W. LARSON and J. L. RINALDI. 17 Jan., 1967 [21 Jan., 1966], No. 2521/67. Heading A5R [Also in Division G2] A portable instrument for treating or testing eyes comprises a tubular housing 12 with a viewing aperture 22 at one end through which a fixation target or single opt...

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Hauptverfasser:	DEAN WESTON LARSON, JOSEPHINE LUPO RINALDI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL RESPIRATION BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSESOR SPECIFIC PARTS OF THE BODY DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MASSAGE MEDICAL OR VETERINARY SCIENCE PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING ORSTIMULATING REFLEX POINTS IN THE BODY SURGERY
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Zusammenfassung:	1,159,797. Testing eyes. D. W. LARSON and J. L. RINALDI. 17 Jan., 1967 [21 Jan., 1966], No. 2521/67. Heading A5R [Also in Division G2] A portable instrument for treating or testing eyes comprises a tubular housing 12 with a viewing aperture 22 at one end through which a fixation target or single optotype mounted on a brightly illuminated surface may be viewed, the housing 12 being supported by a handle (14), Figs. 1, 2, (not shown) containing a battery and motor driving a shaft 44 and, through gears 46, 48, a polarising filter 28, there being a fixed filter 34 between the rotating polariser and aperture 22 so that a rotating Haidinger's brush may 'be observed. With the aid of an iris diaphragm 36 adjustable by control 40, the patient attempts to align centrally the rotating brushes about the centre of the field of vision within the smallest possible field of view.