104pcs Trial Lens Set/ Refraction Set

Specifications: Material: high quality metal rims and aluminum case Product Type: 104 Piece Trial Lens Set Category: Instrument Parts and Accessories Design and style: Shiny metal rims and elegant aluminum case Use and Purpose: Optometry Equipment for Test Director Training and CBS Free Test Performance and Property: Precision lenses for accurate vision testing Parts and accessories: Includes 18 pairs of concave and convex spheres, 6 pairs of concave and convex cylinders, 2 prisms and 6 accessories