Dr. Peter George Gross is a physician and surgeon specializing in the most important square inch of the human body: The human eye.Eye Star Vision CenterMedical, Optical, Surgical Eye CareOphthalmology is the branch of medicine that deals with the anatomy, physiology and diseases of the eye. An ophthalmologist is a specialist in medical and surgical eye problems. Since ophthalmologists perform operations on eyes, they are both surgical and medical specialists.