ST. LOUIS—Refractive surgery firm TLCVision (Nasdaq: TLCV) posted net income of $6.1 million in the first quarter of this year, a 75 percent increase over its $3.5 million net income in 2007’s Q1.

The company’s total revenues reached $90.4 million in the period, up 9.7 percent. Its refractive procedure volume was 34,600 in Q1, up 9 percent.

Said Jim Wachtman, TLCVision’s president and chief executive officer, “These results indicate the high operating leverage of our business model and its tremendous potential, especially in a stronger economic environment.”