Dr. Claudio S. Contreras is an experienced board-certified ophthalmologist in San Jose, California. Dr. Contreras provides a full range of diagnostic and treatment services including eye examinations for adults, eye surgery, diagnosis and treatment of eye diseases, including cataracts, glaucoma, and diabetes-related conditions. Dr. Contreras is a medical doctor and surgeon who cares for patients with injuries and diseases of the eye. To refer a patient please click here.