Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: On the way to Laser Vista ... lens implantation ... #LaserVista #nervous #happy
This tweet contains emotions: 
fear, joy, optimism