Highlighted is a full set of trial lenses set for optical stores. It comes with spheres, cylinders, prisms and accessories. The accurate degrees of the lenses help to find out the suitable lenses for further treatment.

• Spheres: 40 pairs each of concave and convex.
• Cylinders: 20 pairs each of concave and convex.
• Prisms: 12 pieces.
• Accessories: 14 pieces.