[Principal possibilities and limitations of fluorescent angiographic procedures for the measurement of the flow-physical magnitudes of the retinal circulatory system (author's transl)].

Flow-physical magnitudes are presented that describe the retinal circulatory system. The principal possibilities and limitations of fluorescent angiographic procedures for the measurement of these magnitudes are discussed. On this basis, we compare fluorescentophthalmoscopic measurements of time, serial angiography, and cinematography with densitometric evaluation of the negatives, integral fluorophotometry, 'two point' photometry, and the application of television with evaluation of the video signal.