Alcon Inc. of Huenenberg, Switzerland, an eye care company, has announced that it has gained control of 76.9 percent of Erlangen, Germany-based WaveLight AG’s approximately 6.6 million issued and outstanding shares. The Swiss company has received approval from the competition authorities in Germany and Austria and is waiting for clearance in China, Cyprus and Spain before concluding the transaction. It has legally acquired 29.9 percent of the shares on the stock market or through direct purchase and has received tendered shares equivalent to 47.1 percent from the German company.