In Canada, while contact lenses are legally classified as "Class II medical devices", regulations since 2010 do not require online retailers to verify a prescription before shipping. This is a major difference from the U.S., where the Fairness to Contact Lens Consumers Act (FCLCA) strictly mandates verification.
If you already know your brand and measurements (e.g., from an old box), follow these steps to order without a current paper prescription: Can You Order Contacts Without a Prescription in Canada? how to buy contacts without prescription
Technically, you can buy contacts in Canada without a current prescription by using retailers that rely on customer-provided information. However, "no prescription" really means "no verification". You still need the correct measurements to avoid serious eye damage. How to Order Contacts (No-Verification Method) In Canada, while contact lenses are legally classified
