DEVICE OF PRECISION EVALUATION OF HUMAN VISUAL FUNCTIONS Russian patent published in 2013 - IPC A61B3/00 

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment. Device contains connected with first control unit unit of presentation of optotypes and interface, units of standard optotype memory and unit of remote selection of test optotypes. First control unit contains unit of control over dimensions of optotypes, first unit of symbol-free interval between two presentations of tests and first unit of connection with outer unit of remote selection of control mode. Device also contains second control unit, connected with unit of presentation of optotypes and interface and including second unit for control over dimensions of optotypes, second unit of control over symbol-free interval between two presentations of tests, second unit of connection with outer unit of tested person's response fixation, unit of device work synchronisation. Device also contains connected with second control unit unit of memory of optotypes and indication signals, unit for measuring distance from tested person to unit of presentation of optotypes and interface, unit for measuring external illumination, unit for correction of brightness of test field of unit of presentation of optotypes and interface, unit of fixation of patient's eyes position, unit for observation of patient's eyes during testing, unit of separation of tested person's vision fields, unit for fixation of tested person responses, database unit, unit of adjustment and launching of tasks.

EFFECT: increased accuracy and reliability of results of testing people of different age, increased possibility of systemic evaluation of visual parameters of tested person.

3 dwg