SYntonac International LLC

SYntonac International is the ONLINE STORE for the Behavioral Syntonic Optometrist. We produce Syntonic Optometry Equipment for Office and Home Syntonic Vision Therapy.


Welcome to the SYntonac Online shop.

Our Company policy is that we only sell to Optometrists - Optometry Offices.

  • Therefore if you want to login in our SYntonac Online shop you need a Password.
  • Fill out the Login Password Request Form.
  • After Profession Identification check you will receive an Email with your Password.


Why buy direct?

We save you time and capital, while still delivering the finest Syntonic Optometry equipment.

30-day money back guarantee

At SYntonac International, we want you to be 100% satisfied with our SYntonac Line.  In the unlikely event that you are not completely satisfied with your purchase, you may return unopened items for a full refund within 30-days of delivery.


  • USA Shipping

Fast shipping with USPS within the USA.  All shipments are carefully packaged and insured to make sure your SYntonac equipment arrives safely.

  • Worldwide shipping

Affordable, worldwide shipping available. Receive a shipping quote on our checkout page!

SHIP WORLDWIDE: Starting at $27

  • Shipping is based on parts availability.
  • Please allow 3 business days for processing for all orders.

Offering a precise product leads to a faster and more successful therapy.

Feel free to contact us to discuss shipping charges, questions, or concerns.

Login Password Request Form.

Name *
Fill in your Profession
Fill in your Company or Office name
Address *
Fill in your Business Adress
Phone *
Fill in your business Phone where we can reach you