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Claudio S. Contreras, MD is a board-certified ophthalmologist who is dually trained in both internal medicine and ophthalmology. Dr. Contreras understands how medical conditions can affect eye health and he views his patients' general health and eye health together. He treats each patient as a whole person with an individualized treatment plan. By doing so, Dr. Contreras is poised to make preventative recommendations and quickly diagnose small eye problems before they become big ones. Call (408) 971-2020 to schedule your eye exam at our San Jose, CA ophthalmology office or use our online request form.

Dr. Contreras offers exceptional eye care for the full spectrum of eye diseases at his office in San Jose, California, including:

Comprehensive Eye Exams

Dr. Contreras offers comprehensive eye exams to adult patients, including dilation of the pupil. During the eye exam, Dr. Contreras carefully examines the outer and inner health of the eye. He also checks how the eye functions, including measuring vision. In addition, Dr. Contreras has some of the latest diagnostic eye equipment to assist him in providing the best eye care. He is able to take pictures of the outside and inside of the eye to show you the effects of eye disease. Comprehensive eye exams are essential for identifying eye disease early and planning prevention measures as well.

Evaluation and Treatment of Eye Disease

As both an internal medicine specialist and ophthalmologist, Dr. Contreras has an astute knowledge of the role between medical conditions and eye disease. From diabetes to high blood pressure, Dr. Contreras offers eye disease screening and practical advice for eye health. In the event of eye disease, such as diabetic retinopathy, glaucoma, cataracts, pterygium, or macular degeneration, Dr. Contreras offers advanced treatment plans to preserve eye health and vision.

Eye Surgery

Dr. Contreras is a board-certified ophthalmologist with expertise in eye surgery. From conventional eye surgery techniques to sophisticated laser surgery, Dr. Contreras is qualified to treat cataracts, glaucoma, pterygium, and diabetic retinopathy. Advancements in eye surgery have spared vision at higher rates than ever before and allow for shorter recovery times after surgery.


Visual acuity refers to the smallest detail that you are able to see. Dr. Contreras provides visual acuity testing to measure the eyes' potential for vision and to recommend corrective lenses.

For more information about our ophthalmology services, call us in San Jose, California at (408) 971-2020 or use our online appointment request form. Dr. Claudio Contreras has served the Santa Clara County area since 1997.