[State of the microcirculation in the relatives of diabetes mellitus patients].

The biomicroscopic study of the conjunctival vessels demonstrated microcirculation disturbances in 43.8% of 105 relatives of diabetic patients, and in 8.5% changes of the optic fundus vessels, irrespective of the glucose tolerance test results. There was a statistically significant difference between the total conjunctival index and its partial values in the relatives of diabetic patients in comparison with the control (healthy) group, and in patients with newly diagnosed diabetes mellitus as compared with the control group and with the group of relatives with a normal glucose tolerance test.