Anita Campbell, MD

Dr. Samuel W. Amstutz, MD, is an oculoplastic surgeon at Grene Vision Group. As a board-certified ophthalmologist, Dr. Amstutz is fellowship-trained in functional and cosmetic/reconstructive surgery of the eyelids, tear ducts, and orbit. He has performed hundreds of surgeries each year. After more than 30 years of practice, he still enjoys the diverse challenges of oculoplastic surgery and the many patients that he is privileged to serve each day.

Grene Vision Group has established a long and true tradition of professional excellence, defined by training, experience, state-of-the-art technology and world-class care. Our goal is to enhance the quality of our patients lives by helping them achieve the best vision possible.

Dr. Diana M. Leitner, MD is a fellowship-trained medical retina specialist and vitreoretinal surgeon. She graduated from Oberlin College with a degree in physics, and earned her medical degree from the University of Kansas. Dr. Letiner completed her internship at the University of Kansas-Wichita, and completed ophthalmology residency at Geisinger Medical Center in Pennsylvania, where she served as Chief Resident. She specializes in both office-based and surgical care of the retina and vitreous, including macular degeneration, diabetic retinopathy, retinal vascular occlusions, retinal detachments, uveitis and inflammatory eye disease.