Abstract: Electronic spectacles have a first lens, through which a physical object may be viewed by one eye of a user, having a plurality of zones, each of which having an optical layer arranged in the zone and having an adjustable transmittance; a second lens, through which the physical object may be viewed by another eye of the user, having a plurality of zones, each of which having an optical layer arranged in the zone and having an adjustable transmittance; a controller for respectively adjusting the transmittance of each of the zones of the first and second lenses such that each of the lenses is switched between a viewable status and a masking status; and a communication unit for receiving parameter settings from an external device outside the electronic spectacles to adjust parameters of the controller.