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Background: The purpose of the study was to assess the clinical usefulness of color Doppler ultrasonography (CDU) examinations of the neck vessels in patients with intraocular tumors as well as to establish whether the changes in these vessels had an influence on further ophthalmologic procedures. Material/Methods: Clinical ophthalmological examinations such as visual acuity, anterior segment and ocular fundus, as well as color Doppler ultrasonography of the bulbar and neck region vessels were performed on 38 patients, aged 44-70 years with eyeball tumors. Localization, size, vascularization of the intrabulbar tumors and big vessels of the neck region were analyzed. Results: In 28 patients, choroidal melanoma was identified, and the vascularity of tumor mass was monitored in 10 patients after brachytherapy. Compression or infiltration of jugular veins or carotid artery were not observed. Severe internal carotid artery stenosis due to arteriosclerosis was detected in 5 patients, but no one was suggested to be operated on first in Vascular Surgery Department. Conclusions: Color Doppler ultrasonography should be the first choice technique in the neck vessels and intrabulbar tumors imaging. Visualization of the mass lesions vascularity and the evaluation of amplitude of blood flow velocity allows to monitor the effectiveness of their therapy. It was found that this technique is useful in deciding upon the method of treatment in patients with coexisting arteriosclerosis.