: Most retailers require a prescription issued within the last 1–2 years . Note that a contact lens prescription is not the same as one for eyeglasses .
Buying eyeglasses online is a streamlined process that begins with obtaining a current prescription and ends with custom-built frames delivered to your door. The key to a successful purchase lies in accurate measurements, specifically your , and understanding lens enhancements that fit your lifestyle . Essential Requirements how to buy eyeglasses online
Before you start browsing, ensure you have these four components ready: : Most retailers require a prescription issued within
: This is the measurement in millimeters between your pupils . It ensures the optical center of your lenses aligns perfectly with your eyes. If it’s not on your prescription, you can measure it using a ruler and mirror or via online PD tools . The key to a successful purchase lies in