FIELD: medicine.
SUBSTANCE: invention relates to medical equipment. Device contains first-third keys, rocker switch, generator of linearly altering voltage, calculator, mode switch, first-second enciphers, first-second shifting registers, first-second units of ten analogue multiplexers, first-second analogue multiplexers, first-third multiplexers, first-second analogue storage devices, first-second units of resistive dividers, first-second units of ten converters voltage-frequency, register, generator of second pulses, counter, first-seventh univibrators, first-fourth OR elements, gate unit, gate, unit of ten keys, unit of light pulses source and first-second units of indicators.
EFFECT: application of device makes it possible to reduce time of determination of vision resolution by frequency of light flicker, due to which it can be applied for mass screening.
3 dwg
