Provided is an electronic apparatus including a wearable optical device, a state detection unit configured to detect a state relating to the wearable optical device, state determination unit configured to determine that the detected state is at least one of a first state in which the wearable optical device is worn by a user in usable state or a second state in which the wearable optical device is worn or carried by the user in unusable state, and a power supply controller configured to control a power supply state of the electronic apparatus based on a result obtained by the determination.