Alternative methods of access such as Target Scanning (also known as eye pointing) here the movement of a user's eyes is used to direct an SGD, and scanning, in which alternatives are presented to the user sequentially, became available on communication devices.
Alternative methods of access such as Target Scanning (also known as eye) here the movement of a user's eyes is used to direct an SGD. This eye is pointing. Scanning became available on communication devices. Alternatives are presented to the user sequentially in Scanning.