Ralf. P. Tornow

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A new method of multifocal electroretinography making use of scanning laser ophthalmoscope with a wavelength of 630 nm (SLO-m-ERG), evoking short spatial visual stimuli on the retina, is proposed. Algorithm of presenting the visual stimuli and analysis of distribution of local electroretinograms on the surface of the retina is based on short m-sequences.(More)
PURPOSE To test the feasibility of scanning laser densitometry with a modified Rodenstock scanning laser ophthalmoscope (SLO) to measure the rod and cone photopigment distribution in patients with retinal diseases. METHODS Scanning laser densitometry was performed using a modified Rodenstock scanning laser ophthalmoscope. The distribution of the(More)
Optical Coherence Tomography (OCT) is an imaging modality that has several advantages (e.g. high resolution and three dimensional imaging) in comparison with other ophthalmic imaging methods. Retinal structures, such as the optic nerve head (ONH), can be examined in detail. The geometry of the ONH can offer valuable information for the detection of(More)
BACKGROUND Analysis of fast temporal changes on retinas has become an important part of diagnostic video-ophthalmology. It enables investigation of the hemodynamic processes in retinal tissue, e.g. blood-vessel diameter changes as a result of blood-pressure variation, spontaneous venous pulsation influenced by intracranial-intraocular pressure difference,(More)
4410 Purpose Our purpose is to develop a new method to measure the optical density of macular pigments using fundus images to aid medical diagnosis. • Fundus images taken using a spectral filtered illumination light • Ensure equally illuminated colour channels [1] (a) (b) (c) (d) Figure 1: Examples for common Fundus images (a) and images with different(More)
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