Optometrists Dr. Russell H. Horn, O.D., and Dr. Jacqueline Clair-Horn, O.D., of Clair Horn Eyecare are opening an office in Ashland this month at 933 Siskiyou Boulevard. They have been practicing in the Rogue Valley since 1996 and opened a practice in Medford in 2007. The Yreka office, which opened in 2008, is relocating to Ashland.