Liz are a very wide butterfly shape
so they can only be made for less severe defects. For more severe defects, it is necessary to reduce the dimensions a little and adapt them to the prescription by making some small modifications.
How to customise:
On such a decisive shape customisations
should always follow straight and geometrical lines.
The decoration can be reduced or done only on one lens, it is also particularly pleasant done in the lower corner of the lens. Remember that light colours are the most visible, while the darker the colours, the more they are less so.