Pearle Europe, a subsidiary of HAL Holding, has bought 100 percent of the shares of Tide Ti, a sunglass and optical retailer based in Cancun, Mexico. Safilo Group previously owned 60 percent of the shares, with the other 40 percent held by Tide Ti's founders. Financial details of the deal were not disclosed. Tide Ti has 57 stores under the banners Sunglass Island and Optical Island, and reported €20 million in sales in 2009.