Due to COVID-19, we are closed for regular appointments. Patients with emergencies should call the office at 716-631-9970 to discuss their symptoms with our staff and doctors.

Patients who need a supply of contact lenses shipped to them directly should call 716-631-9970 to leave a request. Please leave a message if you contact our office after normal business hours.

alarm-ringing ambulance angle2 archive arrow-down arrow-left arrow-right arrow-up at-sign baby baby2 bag binoculars book-open book2 bookmark2 bubble calendar-check calendar-empty camera2 cart chart-growth check chevron-down chevron-left chevron-right chevron-up circle-minus circle city clapboard-play clipboard-empty clipboard-text clock clock2 cloud-download cloud-windy cloud clubs cog cross crown cube youtube diamond4 diamonds drop-crossed drop2 earth ellipsis envelope-open envelope exclamation eye-dropper eye facebook file-empty fire flag2 flare foursquare gift glasses google graph hammer-wrench heart-pulse heart home instagram joystick lamp layers lifebuoy link linkedin list lock magic-wand map-marker map medal-empty menu microscope minus moon mustache-glasses paper-plane paperclip papers pen pencil pie-chart pinterest plus-circle plus power pushpin question rain reading receipt recycle reminder sad shield-check smartphone smile soccer spades speed-medium spotlights star-empty star-half star store sun-glasses sun tag telephone thumbs-down thumbs-up tree tumblr twitter user users wheelchair write yelp youtube

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.