OSI Systems (NASDAQ:OSIS) reported quarterly earnings of $3.78 per share which beat the analyst consensus estimate of $3.77 by 0 percent. This is a 16.67 percent increase over earnings of $3.24 per share from the same period last year. The company reported quarterly sales of $484.058 million which missed the analyst consensus estimate of $529.673 million by 8.61 percent. This is a 4.14 percent decrease over sales of $504.985 million the same period last year.