An induction loop is used to power the device and to relay data from the lens to a receiver worn by the patient.

感应圈被用于启动该装置，并用于将镜片里的数据传输到患者配戴的接收器上。

youdao

It is similar to Dr Echt’s leadless pacemaker, but it uses electromagnetic induction, rather than ultrasound, to stimulate a small implanted receiver, which in turn stimulates the heart.

他的方法与Dr Echt有些类似，但他没有用超声波而是利用电磁感应效应来刺激植入的小型接受器，接受器再刺激心脏。

youdao

It is similar to Dr Echt's leadless pacemaker, but it uses electromagnetic induction, rather than ultrasound, to stimulate a small implanted receiver, which in turn stimulates the heart.

ECONOMIST: Case history

Getting in on his fourth try, Parcells led an induction class that also included mouthy defensive lineman Warren Sapp, prolific receiver Cris Carter and a pair of stalwarts from the trenches, offensive linemen Jonathan Ogden and Larry Allen.

NPR: Parcells, Sapp, Carter Among 7 Hall Inductees