: The measurement between your pupils in millimeters. While you can measure PD yourself with a ruler, an professional measurement is highly recommended for trifocals.
: Must be unexpired (usually within 1–2 years) and include ADDcap A cap D cap D values for both intermediate and near vision. buy trifocals online
To order successfully, you must have the following data from your eye doctor: : The measurement between your pupils in millimeters
Buying trifocals online is a multi-step process that requires a precise, current prescription and a specialized frame. While online shopping offers significant savings—often costing between $100 and $150 compared to much higher in-store prices—trifocals are more complex to fit than standard lenses because they contain three distinct vision zones. buy trifocals online