DEVICE TO INVESTIGATE FIELD OF VIEW Russian patent published in 2011 - IPC A61B3/24 

FIELD: medicine.

SUBSTANCE: device comprises body with handle, equipped with button, and sight window to observe light test-objects. Demonstration screen is installed in body cavity with holes and light point test-objects placed into them. Body is arranged as cylindrical. At the same time one of end surfaces at the side of sight window is arranged as spherical with protrusion, and handle of body is arranged with the possibility of rotation around its central axis. Demonstration screen is arranged as light-radiating with hole in central part. Test-objects are fibre optic elements, installed and fixed in holes of demonstration screen and connected to light diodes to illuminate fibre optic elements arranged in control unit, connected to USB port of personal computer via unit of galvanic isolation. Element of view fixation and its position monitoring is installed and fixed on central axis of demonstration screen in control unit.

EFFECT: application of this device makes it possible to increase accuracy of investigation results, to constantly monitor position of patient's pupil, and also provides for a permanent and accurate size of test-object, which makes it possible to carry out early diagnostics of glaucoma.

12 cl, 3 dwg