TSO North Spring: Eye Care and Eyewear in Tomball, TX. The optometrist, Dr. Roof, and the eye care staff use advanced technology and provide the best patient care, advice, options and follow up. At Texas State Optical eye exams are comfortable, efficient, and accurate: "No Air Puffs Ever!" At our on-site optical shop, you can choose from a wide variety of eyewear, glasses, contacts, sunglasses and specialty eyewear including brand name favorites.