ROUND

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Prescription Details

PD Range

Pupillary Distance (PD) is the distance between the centers of your pupils and provides the exact optical center of your lenses.

Prescription Range

Frames are available if your sphere (SPH) value falls within this range.

Bifocal

Lenses with two viewing areas separated by a visible line.

Progressive

No-line multifocal lenses that correct up to three viewing areas.

 

Frame Measurements 

Frame Width

Frame Width

Measure horizontally across the frame from hinge to hinge.

Lens Height

Lens Height

Measure the lens vertically at its tallest point.

Bridge width

Bridge width

At the top of the bridge, measure horizontally one lens edge to the other.

Temple Arm

Temple Arm

Measure from the hinge to the bend, and then the bend to the end of the arm. Add the two measurements together.

Lens Width

Lens Width

Measure the lens horizontally at its widest point.