Gregory D. Parkhurst, M.D. is recognized nationally as an expert and leader in LASIK vision correction who has helped pioneer new trends in refractive surgery. Dr. It all begins with a firm commitment to achieving your best possible vision. We provide state-of-the-art technology in the hands of world-renowned doctors and surgeons.There are now many solutions available to correct nearsightedness, farsightedness and astigmatism and we offer free consultation to determine your best solution.