Mechanisms for providing text components of a text stream in a display area are disclosed. Text components of a text stream are provided for presentation in a display area of a display. An eye system of a user is concurrently analyzed while providing the text components for presentation in the display area. Based on analyzing the eye system, a stream control command that requests a change in a characteristic of the presentation of the text components is determined. In response to the stream control command, the presentation of the text components is altered in accordance with the stream control command.