Abstract: A smart glasses viewing area management system and processes for managing content display in smart glasses according to a relationship between a content viewing area and a field of view of a user are disclosed. The smart glasses viewing area management system enables caption glasses to define a viewing cone area for multiple devices with methodology to turn content on or off when a user chooses to focus on an object(s). When a person is watching TV and turns to talk with the person next to them the captions will stop displaying on the caption glasses.