Lens Technology: Prisms
Prism in lenses is not so much something ‘in’ the lenses, but it is actually how that lens is constructed, which is typically referred to as being ‘ground in.’ The presence of prisms will be seen as a thicker edge by the wearer. The thicker edge is where the base of the prism is located, and is opposite to where the image is to be shifted.
Lens materials, lens designs, and add-on tints are all options available to help you design your eye wear. Prisms are not offered as an option, but are a part of your eyeglass prescription. (more…)