[Relationship between clinical manifestations of acute and subacute attacks of closed-angle glaucoma and state of hemodynamics of the orbital artery basin].

Clinical and angiological studies were carried out in 50 patients (55 eyes) with open-angle glaucoma at the moment of clinical attack. Acute attacks were observed in 21 (38.18%) eyes and subacute (without strangulation and inflammation) in 32 (61.82%) eyes. The findings indicate an important role of the hemodynamic status of the orbital artery in the development of strangulation and inflammation phases, as decreased level of hemodynamics in the iridal vessels facilitates their strangulation and initiation of the inflammatory phase of acute attack, which do not develop during a subacute attack of open-angle glaucoma. A subacute attack of closed-angle glaucoma is characterized by high values of hemodynamics in the orbital artery basin. This gives us grounds to regard an acute attack of glaucoma (strangulation and inflammation) as a decompensation phase between hemo- and hydrodynamic processes in the eye.