The FDA classifies all contact lenses as restricted medical devices.
Always keep a digital copy of your prescription. Under federal law, your eye doctor must give you a copy of your prescription at the end of your fitting, whether you ask for it or not. This allows you to shop around for the best prices at different retailers. can you buy contact lenses without prescription
Retailers must verify your prescription with your doctor before completing a sale. The FDA classifies all contact lenses as restricted