Privacy Policy

Last updated: March 31, 2026

Information We Collect

Contact Lens Vertex Calculator does not require you to create an account or provide any personal information. We do not collect names, email addresses, or payment information through our calculator tools.

Analytics

We may use privacy-respecting analytics services (such as Cloudflare Web Analytics) to understand how our tools are used. These services do not use cookies and do not track individual users across websites.

Advertising

Contact Lens Vertex Calculator does not display third-party advertisements. We have no advertising relationships with Google AdSense or other ad networks. The site is provided free of charge with no commercial advertising.

Cookies

Our calculators may use localStorage (not cookies) to remember your preferences, such as light or dark mode. We do not use tracking cookies or third-party cookies.

Your Rights

Under GDPR and CCPA, you have the right to access, correct, or delete your personal data. Since we do not collect personal data through our tools, this primarily applies to any data collected by third-party services.

Contact

For privacy-related inquiries, contact us at contact@contactlensvertexcalculator.com.