The Vanderbilt Eye Institute’s Optical Shop, 2311 Pierce Avenue, is hosting a trunk show with the latest in designer eyeglasses on 10 a.m. to 4 p.m. on Sept. 29. New frames and lenses are 50% off*, except Costa del Mar frames and lenses, which are 30% off.  No appointment necessary. This offer is not combinable with other discounts or insurance.