Alcon (NYSE:ALC) reported quarterly earnings of $0.73 per share which missed the analyst consensus estimate of $0.75 by 2.67 percent. This is a 6.41 percent decrease over earnings of $0.78 per share from the same period last year. The company reported quarterly sales of $2.45 billion which missed the analyst consensus estimate of $2.51 billion by 2.46 percent. This is a 0.29 percent increase over sales of $2.44 billion the same period last year.