It is your perfect partner for heterophoria and strabismus measurement. It comes with a variety of 84 prism lenses – four lenses of each prism diopter step. The carrying case of the Prism Lens Set 84 includes a wooden tray and a microfiber cloth.

Product Features

• Perfect for heterophoria and strabismus measurement

• 84 prism lenses: four lenses of each prism diopter step

• The carrying case includes a wooden tray and a microfiber cloth