Retailers are legally required to verify your prescription with your doctor before completing a sale. How to Get Your Prescription
The strength needed to correct your vision. Base Curve (BC): The back curvature of the lens. Diameter (DIA): The width of the lens.
Lenses sit directly on your eye; a poor fit can cause corneal ulcers, infections, or permanent vision loss. do you need a prescription to buy contacts
💡 Your glasses prescription is not the same as your contact lens prescription. Because contacts sit directly on the eye while glasses sit about 12mm away, the "power" and measurements are different. If you'd like, I can help you: Find highly-rated eye doctors in your area. Compare the average cost of popular contact lens brands.
This is a separate step from a standard glasses exam to measure the eye surface. Retailers are legally required to verify your prescription
Under federal law—specifically the —contact lenses are classified as medical devices. This applies even if you are buying "cosmetic" or "color" lenses that don't correct your vision. Why a Prescription is Required
Convenient for immediate pickup, though sometimes more expensive. Diameter (DIA): The width of the lens
Once the fit is confirmed, your doctor is legally required to give you a digital or paper copy of your prescription. Key Prescription Details A standard contact lens prescription usually includes: