Study the EYE

Read topic starting at message #192873: "'Pupil watching was used by the ancient Chinese gem traders who watched for the pupil dilation of their buyers when nego�tiating prices. Centuries ago, prostitutes put drops of belladonna in their eyes to dilate their pupils and to make themselves appear more desirable. The late Aristotle Onassis was noted for wearing dark glasses when negotiating business deals so that his eyes would not reveal his thoughts."