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Home » Our Optometrists

Our Optometrists

We want your experience at Central Illinois Family Eyecare to be both comfortable and productive. Our optometrists make a point of constantly updating themselves on the latest in optometric technology. The State of Illinois requires all optometrists to undergo 30 hours of continuing education every 2 years and all our eye doctors meet, if not exceed, these requirements.
Our staff goes above and beyond to ensure your eye exam is as comprehensive as possible. We truly believe our optometrists offer the best value eye exam you will find. You will find that our staffs in both Peoria and Bloomingotn eye doctor offices are always eager to help.

Dennis M. Brtva, O.D.

Managing Optometrist, Owner

Dr. Dennis Brtva attended Illinois State University before entering the Illinois College of Optometry. He graduated from the Illinois College of Optometry in 1984 with a Bachelor of Science in Visual Science degree and a Doctor of Optometry degree. Dr. Brtva has been practicing in Bloomington, IL for 19 years and in Peoria, IL for 16 years. He is a member of the Bloomington Regional Optometric Society, the Illinois Optometric Association and the American Optometric Association. Dr. Brtva is a past president of the Bloomington Regional Optometric Society and served as President of the Illinois Optometric Association in 2010. Dr. Brtva is a leading Peoria eye doctor.

Dr. Brtva has extensive experience in the evaluation and fitting of specialty or “hard to fit” contact lenses. He has had the opportunity to test many new contact lens designs before they’ve reached the market. Dr. Brtva is certified in the evaluation and management of Corneal Refractive Therapy contact lenses. He is committed to providing the highest quality of care and products to his patients.

Dr. Brtva resides in Bloomington, IL.

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Christopher J. Wetzler, O.D.

Managing Optometrist, Peoria Eye Professionals

Dr. Christopher Wetzler joined Dr. Dennis Brtva & Associates in July 2001. He is licensed to practice optometry in all areas, from glasses and contacts, the diagnosis and monitoring of cataracts, macular degeneration, and diabetic eye disease, and the treatment of many eye diseases, including dry eye, eye infections, and glaucoma. He is a member of the American Optometric Association, Illinois Optometric Association, Illinois Valley Optometric Society, and the Tomb and Key Honor Fraternity, which recognizes those who have achieved excellence in Optometric studies and have been found to possess the character and leadership befitting a practitioner of the profession of Optometry. He has received rigorous education and training at:

  • Bachelor of Science – Bradley University, Peoria, Illinois. 1995
  • Doctorate of Optometry (Cum Laude) – Illinois College of Optometry, Chicago. 2001
  • Internship: Illinois Eye Institute, Chicago, Illinois – Prescribing glasses; diagnosis and management of eye diseases; contact lens training including soft lenses, rigid lenses, contact lenses for astigmatism, bifocal contact lenses, and contact lenses for irregular corneas; pediatrics; and low vision. 1999-2001
  • Internship: Midwest Eye Professionals, Palos Heights, Illinois – Diagnosis and management of eye diseases. 2000
  • Internship: Battle Creek V.A. Medical Center, Battle Creek, Michigan – Prescribing glasses; diagnosis and management of eye diseases. 2001
Dr. Wetzler was born and raised in Peoria and is a 1991 graduate of Richwoods High School. Dr. Wetzler had wanted to become an eye doctor ever since he was prescribed his first pair of glasses in second grade. Today, he is a leading Peoria eye doctor. He is an avid fan of NASCAR, football, and basketball. He resides in Eureka with his wife and three children.

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Preston Smith, O.D.


Dr. Preston Smith comes to Bloomington Eye Professionals by way of Eastern Illinois University where he graduated with a Bachelor’s of Science in Biological Studies in 2011. In 2015, he earned his Doctor of Optometry degree at the Illinois College of Optometry, earning clinical honors for outstanding patient care at the Cincinnati VAMC. Dr. Smith’s clinical experiences include treatment and management of ocular diseases, contact lens services, and pre- and post- operative care. His special interests include pediatric exams and educating patients on ocular health.


He is a member of the American Optometric Association, Illinois Optometric Association, and the National Optometric Association. Outside of optometry, he enjoys sports, particularly track and field, in which he competed while attending at Eastern Illinois University. He also enjoys board games, music, and mentoring adolescents at Center For Hope Ministries

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Tyson J. Herrmann, O.D.

Dr. Hermann graduated with a Bachelors of Science in Biology from Bradley University in Peoria, IL in 1998. In 2003, he earned his Doctorate of Optometry from Illinois College of Optometry in Chicago, IL. There he was an honor student receiving awards for clinical assistance and practice management.

Dr. Tyson J. Herrmann has provided eye care in Central Illinois for the past thirteen years. Dr. Herrmann is a therapeutically licensed optometrist. He brings experience in treating a full spectrum of patients, ranging from pediatric to geriatric populations. He provides primary eye care examinations with treatment and management of ocular diseases including glaucoma, age-related macular degeneration, and dry eye syndrome; pre- and post-operative care; comprehesive contact lens services including both rigid gas permeable and soft contact lenses for extended wear, color enhancement, presbyopia, astigmatism, dry eyes, and keratoconus.


American Optometric Association

Illinois Optometric Association

Central Illinois IOA Society

Illinois Society for the Prevention of Blindness

Official Examiner for the National Board of Examiners in Optometry