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  • Title: [Effect of laser therapy in diabetic retinopathy on the hemodynamics of retinal vessels].
    Author: Richard G, Kreissig I.
    Journal: Klin Monbl Augenheilkd; 1985 Feb; 186(2):107-9. PubMed ID: 4039771.
    Abstract:
    Changes in retinal hemodynamics are a factor of major influence in diabetic retinopathy. With the aid of videoangiography, the changes in retinal circulation times before and after therapeutic laser coagulation were examined in a prospective study. A marked diminution of all circulation times was observed after laser coagulation procedures: the arterial circulation time decreased from 1.02 s to 0.74 s average, the early venous circulation time from 5.18 s to 3.50 s average, and the late venous circulation time from 9.07 s to 8.16 s. Laser coagulation has a more significant influence on the capillary circulation of the retina than on the venous phase. In diabetic retinopathy, the improvement in pathologic hemodynamic situations in the retina may be a very important mechanism of action in laser coagulation therapy.
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