our roots
SYntonac International was founded on Syntonic Optometry principles as described by H. R. Spitler, and S. W. Collier.
"SYNTONY" Being adapted by a certain wavelength.
Quote by H.R. Spitler
The company directors are: Drs. Vasana Lerdvoratavee, Chula Lerdvoratavee and Ronald Weingart.
SYntonac International is headquarted in Oswego, IL - USA.
We produce a quality line of products that allows the Behavioral Syntonic Optometrist to use a variety of specific filters and frames to improve the therapeutic outcomes of their patients. We also provide education for treatment protocols for each mode of therapy.
Want to know more about our products?
Please contact us, we're always happy to answer any questions.