A. Thomas Bender has been appointed president of Herbert Laboratories, a division of Allergan Inc. He replaces Rex Bright, who has left the company. Bender, a 22-year veteran of Allergan, had been senior vice president, marketing and sales for Allergan Optical prior to his promotion. He joined the company in 1966 as a sales representative and has served in a variety of sales and marketing positions. Herbert Laboratories, with headquarters in Santa Ana, develops and manufactures dermatology products, and, together with Allergan Inc., forms the eye and skin care group of SmithKline Beckman Corp.