[Characteristics of vitreous structure in rhegmatogenous hyaloid membrane detachment].

Special characteristics of volumetric acoustic digital images of different vitreous and hyaloid membrane changes were studied based on the analysis of results of ultrasound spatial examination of young healthy adults (30 patients) and patients with posterior hyaloid membrane detachment (329 patients). Morphological features of vitreous are presented considering topography and its acoustical structure. Spatial characteristics of planar and volumetric images are determined, special acoustic signs are revealed for normal vitreous and in different changes of posterior hyaloid membrane. These presentations are compared with earlier characterized changes of detached hyaloid membrane. Structural changes of vitreous resulted from posterior hyaloid membrane rapture after blunt trauma or total lens dislocation are estimated.