Аннотация:In this article has been presented research results about pulsating blood flow and its components from 153 patients with different stages of primary open angled glaucoma (POAG) with compensating IOP, from patients with suspicion on glaucoma and healthy persons in the age from 44 to 81 years old. As a result of research has been shown that in early diagnostics of POAG the best significant criterions are the evidence of an index of pulse amplitude and pulsating blood flow on the background of moderately decrease of POBF indexes. Decreasing of POBF indexes is ranked among the basic criteria in POAG monitoring and the assessment of conducted treatment.