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Power Design -> Frame Shape

Customization for Frame Shape
 

In the following picture we show the different frame measurements needed
when creating an Ultimate LDCA FreeForm lens design:

 

Measurements PANTOSCOPIC and ZTILT, and the correct way to measure them, are shown in the next two examples:
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Frame Measurements needed to be input for full frame shape customization
Pantoscopic and wrapping angles

The corresponding meanings to these parameters are:

IPD – Monocular Centration Distance
OCHT – Vertical P.R.P. height measured from the lower boxed tangent
HBOX – Horizontal Boxed Lens Size of Frame
DBL – Distance Between Lenses
VBOX – Vertical Boxed Lens Size
PANTO – Pantoscopic Angle
ZTILT – Wrapping angle
 
 
 

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