Optometric Syntonic Phototherapy 101

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Syntonic Phototherapy 101

The CSO Library Membership

The CSO Library Membership gives you access to the entire CSO Video Library* for a full year. The entire library is immediately available to you when you sign up, and new videos are automatically added to your account as they become available. Maintain your membership and always have the most up-to-date Syntonics videos and the video library at your fingertips. Opt for the Premium Tier and always have your CSO Library even if you cancel. Annually charged memberships include a 1st year new membership fee plus the annual membership maintenance fee. Every year after that is only the membership maintenance fee.

^{* The "CSO Library" is a collection of videos from CSO. Click here for exact information.}

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