Question: In what year did the world's largest eyewear company based in Milan, Italy acquire a controlling interest in OPSM (Optical Prescription Spectacle Makers)?
Sentence (from "OPSM"): OPSM (Optical Prescription Spectacle Makers) is the largest retailer of eye glasses in Australia and New Zealand, with locations in Hong Kong, Singapore, and Malaysia as well.
Relevant evidence: No