Korea's International Optical Show will take place in Daegu on Nov. 1-3. The eyewear business in this country generates $450 million. The Korean eyewear sector, which is positioning itself as an alternative to large-scale Chinese manufacturers, counts 600 producers, 7,000 retailers and 20,000 optometrists. The organizers are expecting around 15,000 visitors, compared with 9,000 in 2001 and 10,000 in 2002.