Purpose. To describe a clinical case and treatment performed in a patient with Terson's syndrome at the background of subarachnoid hemorrhage. Clinical case. Patient O., born in 1981, came to our center with complaints of decreased vision, especially of the left eye. It is known from the anamnesis that a month ago a diagnosis of non-traumatic subarachnoid, ventricular hemorrhage in the left the of the brain was made. After examination, microinvasive vitrectomy, for total the of the left eye, partial hemophthalmos of the right eye was recommended. As the result of surgical intervention, it was possible to significantly improve the visual functions of both eyes. Conclusion. Currently, there are no uniform recommendations that would say at what point vitrectomy is necessary. In case of wait-and-see tactics and conservative therapy, complications such as vitreous fibrosis, development of traction syndrome, retinal detachment, or development of epiretinal fibrosis are possible. With timely surgical treatment within 1–1.5 months, it is possible to restore the initial visual functions of the patient. However, it is necessary to conduct large-scale research in this area in order to reach a consensus. Key words: Terson`s syndrome; hemophthalmos; microinvasive vitrectomy; subarachnoid hemorrhage.