Visibility improvement method based on eye tracking, machine-readable storage medium and electronic device

A head mounted device (HMD) comprising:

• a display;
• at least one first camera provided on an inner surface of the HMD to face an eye of a user when the HMD is worn on the user;
• at least one memory storing instructions;
• and
• at least one processor configured to execute the instructions to:
• obtain gaze information of the user of the HMD,
• based on the gaze information, select a first object as a selected graphical object,
• obtain object information for identifying the selected graphical object,
• obtain HMD direction information indicating a direction of the HMD,
• transmit the object information of the selected graphical object and the HMD direction information to a server,
• receive, from the server, a second object that displays the selected graphical object as a three dimensional (3D) object having multiple views, based on the object information for identifying the selected graphical object and the HMD direction information indicating the direction of the HMD, being transmitted to the server, and
• control the display to replace the selected graphical object with the 3D object received from the server in response to the object information of the selected graphical object and the HMD direction information being provided to the server.