[A new laser scan system for video ophthalmoscopy. Initial clinical experiences also in relation to digital image processing].
The clinical advantages of a scanning laser ophthalmoscope (SLO) and video imaging of fundus pictures are described. Image quality (contrast, depth of field) and imaging possibilities (confocal stop) are assessed. Imaging with different lasers (argon, He-Ne) and changes in imaging rendered possible by confocal alignment of the imaging optics are discussed. Hard copies from video images are still of inferior quality compared to fundus photographs. Methods of direct processing and retrieval of digitally stored SLO video fundus images are illustrated by examples. Modifications for a definitive laser scanning system - in regard to the field of view and the quality of hard copies - are proposed.
Fabian
E
E
Augenklinik und -poliklinik rechts der Isar der Technischen Universität München.
Mertz
M
M
Hofmann
H
H
Wertheimer
R
R
Foos
C
C
D003199:Computer Systems; D004867:Equipment Design; D005451:Fluorescein Angiography / Q000295:instrumentation; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000295:instrumentation*; D007834:Lasers; D019721:Ophthalmoscopes; D014741:Video Recording / Q000295:instrumentation*
Ein neues Laser-Scan-System für die Fernseh-Ophthalmoskopie. Erste klinische Erfahrungen auch in Verbindung mit der digitalen Bildverarbeitung.