An electronic device includes a display unit and a filter. The display unit is configured to provide a visual display to a user of the device. The display unit has a first side portion and a second side portion. The filter is configured to alter a viewer's perception of the visual display. The filter is pivotally coupled to the display unit. The filter is configured to pivot from a first position adjacent the first side portion of the display unit to a second position adjacent the second side portion of the display unit.