ILLUMINATION SYSTEM FOR INDIRECT OPHTHALMOSCOPE

ILLUMINATION SYSTEM FOR INDIRECT OPHTHALMOSCOPE

The invention relates to a lighting appliance for generating a light beam for indirect ophthalmoscopy which appliance comprises a housing with a beam outlet aperture through which the beam leaves the housing and first and second means in the housing to respectively modify the colour characteristics...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HEINE, HELMUT A, ROSENBUSCH, HELMUT W
Format: Patent
Sprache:eng ; fre
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:The invention relates to a lighting appliance for generating a light beam for indirect ophthalmoscopy which appliance comprises a housing with a beam outlet aperture through which the beam leaves the housing and first and second means in the housing to respectively modify the colour characteristics and the cross-section of the beam leaving the aperture. An externally accessible operating element is provided on the housing which can be independently adjusted to selectively control the first and second means. An axial movement of the element to control the other means are preferred.