EntityQ2478405· pop 6· linked from 48 articlesupside-down gogglesSign in to saveeyewear used in experimentation that inverts the wearer's viewConnectionsactive shutter 3D systemEntityInternational Standard Book NumberEntityglassesEntitydigital object identifierEntityvisual perceptionEntityBlu-ray DiscEntityretinaEntityholographyEntityQ180686Entitycontact lensEntitysunglassesEntityNintendo 3DSEntityexperimental psychologyEntity3D filmEntitystereoscopyEntitymonocleEntityQ22908627Entitynight vision deviceEntityprotective eyewearEntitystereoscopeEntityCategoriesOptical instrumentsVisual perception