Prescription Guide

How Long Is an Eyeglass Prescription Valid, and Can You Order After It Expires?
An expired eyeglass prescription may work for a grace period. Most stay valid one to two years, yet sellers and state laws differ. Check before you order.
SPH -0.25 to -6.00: What Your Myopia Number Means in Real Life
See how myopia SPH numbers from -0.25 to -6.00 relate to everyday vision, glasses use, lens thickness, and the best frame options for each range.
