Effective Date: July 5, 2026
McCray Optical Supply Inc ("we," "us," or "our") operates the Refractive Converter mobile application (the "App"). This page informs you of our policies regarding the collection, use, and disclosure of personal information when you use our App.
Information Collection and Use
Refractive Converter does not collect, store, transmit, or share any personal data or user information. The App performs all sphere/cylinder-to-spherical-equivalent calculations locally on your device. No prescription data, account information, or usage data is sent to us or to any third party.
Third-Party Services
The App does not integrate any third-party analytics, advertising, or data-sharing services.
Children's Privacy
The App does not knowingly collect any information from anyone, including children under the age of 13, as it does not collect information from any user.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page.
Contact Us
If you have questions about this Privacy Policy, please contact us at rchong@mccrayoptical.com.