Additional magnifying power for reading, often used in bifocals or progressives. 3. Choose Between Online vs. In-Store
While most prescriptions include the power of your lenses, many do not automatically include your Pupillary Distance (PD) . Explicitly ask for this measurement during your exam, as it is essential for centering your lenses correctly. 2. Understand Your Prescription how to buy prescription glasses
The most critical step is a comprehensive eye exam with an optometrist or ophthalmologist to ensure your corrective measurements are current. Prescriptions typically expire every 1–2 years. Additional magnifying power for reading, often used in