EYEBALL MONITORING DEVICE, VISUAL FIELD COIL DEVICE, USAGE OF SQUARE COIL, INSPECTING DEVICE, METHOD FOR MEASURING INDUCED ORIENTATION, AND METHOD FOR IMAGING EXAMINEE

摘要

PROBLEM TO BE SOLVED: To narrow an occupied space, to lower sensitivity to a jamming magnetic field, and to extend the range of utility by simplifying a structure.

SOLUTION: An eyeball monitoring device 300 for measuring induced orientation for an eyeball 2 in an examinee 1 comprises a transmitting device mounted to generate a time varying magnetic field which can induce an induction voltage in receiving devices 310 and 320; an electric generator 330 to generate at least one excitation voltage for the transmitting device; and a signal processing device 350 to process the signal of induced voltage in the receiving devices. One of the transmitting and receiving devices has an eyeball coil device 310 equipped with an eyeball coil 311 which can connect with the eyeball 2 and move with the eyeball. The other one of the transmitting and receiving devices includes a visual field coil device 320 which are smaller than a head 3 of the examinee 1 and has at least one of visual field coils 321 and 322 provided in front of the eyeball 2 in measuring and placed neighboring a visual range of the eyeball 2.

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