Electronic device system with supplemental lenses

A head-mounted device, comprising:

• a head-mounted support structure comprising head-mounted goggles;
• a head strap configured to couple the head-mounted support structure to a head of a user;
• a left lens module in the head-mounted support structure, wherein the left lens module comprises a left display and a left non-removable lens through which the left display is viewable, and wherein the left lens module comprises a first magnetic coupler;
• a right lens module in the head-mounted support structure, wherein the right lens module comprises a right display and a right non-removable lens through which the right display is viewable, and wherein the right lens module comprises a second magnetic coupler;
• a left supplemental lens module including a left supplemental lens configured to removably attach to the left lens module, wherein the left supplemental lens module comprises a third magnetic coupler that is configured to removably attach to the first magnetic coupler of the left lens module;
• a right supplemental lens module including a right supplemental lens configured to removably attach to the right lens module, wherein the right supplemental lens module comprises a fourth magnetic coupler that is configured to removably attach to the second magnetic coupler of the right lens module;
• left and right positioners in the head-mounted support structure configured to adjust respective positions of the left and right lens modules and the left and right supplemental lenses when the left and right supplemental lenses are attached to the left and right lens modules;
• and
• left and right gaze trackers respectively in the head-mounted support structure, wherein the left and right displays are configured to adjust displayed images in response to a gaze measured by the left and right gaze trackers.

A head-mounted device, comprising:

• a head-mounted support structure;
• a head strap configured to couple the head-mounted support structure to a head of a user;
• a left lens module in the head-mounted support structure, wherein the left lens module comprises a left display and a left non-removable lens through which the left display is viewable;
• a right lens module in the head-mounted support structure, wherein the right lens module comprises a right display and a right non-removable lens through which the right display is viewable;
• left and right positioners in the head-mounted support structure configured to adjust respective positions of the left and right lens modules to match an interpupillary distance of the user;
• a left supplemental lens module including a left supplemental lens;
• a right supplemental lens module including a right supplemental lens;
• first magnetic couplers in the left and right lens modules;
• second magnetic couplers in the left and right supplemental lens modules, wherein the first and second magnetic couplers are configured to removably attach the left and right supplemental lenses to the left and right lens modules, and wherein the left and right positioners are configured to adjust the respective positions of the left and right lens modules and the left and right supplemental lenses in response to the left and right supplemental lenses being attached to the left and right lens modules;
• and
• left and right gaze trackers respectively in the head-mounted support structure, wherein the left gaze tracker is configured to monitor a direction of gaze of the user through the left non-removable lens and the left supplemental lens, and the right gaze tracker is configured to monitor the direction of gaze of the user through the right non-removable lens and the right supplemental lens.