By law, your doctor must provide a copy of your contact lens prescription immediately after the fitting is complete, even if you don't ask for it.
You must visit an eye doctor (optometrist or ophthalmologist) for a comprehensive eye exam and a specialized "fitting". how to buy contact lenses
You are not required to buy lenses from the doctor who performed your exam. How to Buy Contact Lenses - CooperVision By law, your doctor must provide a copy
The doctor measures your eye's curvature, diameter, and tear film to determine the best lens type and brand for you. how to buy contact lenses
Prescriptions are typically valid for one to two years , depending on your state's laws. 2. Choose Where to Buy