5. Watch It
At RealD 3-D shows, a projector alternately displays the left-eye and right-eye images, each in an oppositely circular polarized direction, 144 times per second. Polarized glasses ensure that each eye sees only the image meant for it.

一樣是用偏光遮蔽的方式，在粉久以前顯示卡就有這樣的套件在賣了

頻率加快是會降低閃爍感覺，也加重視覺系統負擔