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Doctors & Staff

Meet the experienced and friendly doctors and staff who make Advanced Eyecare Center the leading provider of vision care products and services in Williamsville.

Jeffrey Calhoun, O.D., F.A.A.O.


Dr. Calhoun graduated from the State University of New York at Buffalo in 1992 with a Bachelor’s Degree in Biology. He earned his Doctor of Optometry degree from the Illinois College of Optometry in Chicago, Illinois. Dr. Calhoun’s internship was at the Illinois Eye Institute, also in Chicago. His externship training was at Olympia Fields Osteopathic Hospital in Olympia Fields, Illinois and at Warren-Barr Nursing Home in Chicago, Illinois.

Personal Information:

Dr. Calhoun is an Adjunct Professor of Clinical Medicine at Daemen College and at D’Youville College and is a lecturer on Glaucoma for Pfizer Pharmaceuticals. Dr. Calhoun has passed the testing necessary to become a New York State Certified Low Vision Specialist working with patients with severe visual impairments. He is a member of the American Optometric Association, New York State Optometric Association, & the local Western New York Optometric Association. Dr. Calhoun is the Immediate Past-President of the WNYSO and is currently the Vice-President of NYSOA. Dr. Calhoun is also proud to serve as the Vision Source network Administrator for Western New York.

Dr. Calhoun has also earned the prestigious status of Fellow of the American Academy of Optometry and has served as drug study coordinator for several FDA drug studies for new Glaucoma and Dry Eye Syndrome medications. He lives with his wife, Carol, daughter Julianna, and son Evan in Williamsville.

Greg Seiler

New York State Certified Optician

Timothy J. Schwach, OD


Dr. Schwach graduated from the Erie Community College in 1980 with an Associate Degree of Applied Science in Ophthalmic Dispensing. He completed his undergraduate studies at Erie Community College and the State University of New York at Buffalo. Dr. Schwach earned his Doctor of Optometry degree from the State University of New York College of Optometry in Manhattan. Dr. Schwach completed his Externship program at Health Care Plan of Western New York.

Personal Information:

Dr. Schwach is a past Adjunct Clinical Professor for the SUNY College of Optometry at Health Care Plan. He is a member of the American Optometric Association, the New York State Optometric Association, and the Western New York Society of Optometrists. Dr. Schwach is a past President of the WNYSO. He currently serves as Western New York liaison for the SUNY College of Optometry. Dr. Schwach has lectured to his Western New York colleagues on the health advantages of new contact lens materials and their use in clinical practice.

Dr. Schwach lives in Lancaster with his high school sweetheart and wife, Charlene.  They have three children- daughter Amanda, and sons Daniel and Kevin.

Thomas M. Kaminska, O.D.

Dr. Kaminska attended Canisius High School and received his B.A. at Canisius College.   He continued his education at the Illinois College of Optometry and has been in private practice since September 1980.

Dr. Kaminska, a private practice optometrist and member of Vision Source, is highly dedicated to advancing the profession of optometry. He is a Past President of the Western New York Society of Optometrists.  Most recently, he has been appointed to serve on the New York State Board of Optometry. In addition, Dr. Kaminska is a member of the American Optometric Association and the AOA Contact Lens Section and the International Academy of Sports Vision. Dr. Kaminska specializes in the fitting of contact lenses.

Outside of work, Dr. Kaminska enjoys sports including hockey, golf, NASCAR races, and skiing.