1) Aid for establishing rapport 2) Direct look from a speaker 3) Peer review 4) The shy may avoid it 
Eye contact occurs when `two people look at each other`s eyes at the same time.` In human beings, eye contact is a form of nonverbal communication and is thought to have a large influence on social behavior. Coined in the early to mid-1960s, the term has come in the West to often define the act as a meaningful and important sign of confidence a......
[n] - contact that occurs when two people look directly at each other
eye contact 1. The meeting of the gaze of two people. 2. The direct look into the eyes of another person.
noun contact that occurs when two people look directly at each other; `a teacher should make eye contact with the students`
the act of looking directly into another's eyes: We never made eye contact at any time during the interview. · a meeting of the eyes of two persons, regarded as a meaningful nonverbal form of communication.