nJoy Vision Houston 4849 Calhoun Rd., Ste. 130 Houston, TX 77204 Phone: (713) 743-7377 Call anytime Mon-Fri 7:30a-9p / Sat & Sun 11a-5p facebook Twitter Google+ LinkedIn Instagram Fred Mattioli, M.D. Ryan K. Patel, O.D. Ready for your first visit? We are too! SCHEDULE A CONSULT Need help finding the Houston center? DRIVING DIRECTIONS nJoy Vision is proud to offer our patients a wide range of refractive laser eye procedure options at our convenient University of Houston location. Using the latest in advanced technology, treatments performed at our Houston center include All-Laser LASIK, Laser Assisted Cataract Surgery, Lifestyle Lens Implants and other Premium IOLs.