[Chao Vision Institute, Irvine, CA, Lasik, Cataracts, Laser Vision Correction, Optometrist, Eye Surgeon Dr. Lawrence Chao is a subspecialist in the field of laser vision correction, cataract and corneal surgery. He is certified by the American Board of Ophthalmology and is fellowship-trained in cornea and refractive surgery. Chao Vision Institute is located in Irvine, Orange County, CA]