Loose Prism Set of 16 Sonomed Supplies A box of 5

A box of 5

Paired with long-lasting LED lamps

plus 30% brighter

For use with Marco/Mentor model Brightness Acuity Tester (BAT)

and slit aperture

Loose Prism Set of 16 Sonomed Supplies A box of 5Includes Sizes: 1 2, 1, 2, 4, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45, 50, & a Red Lens. Use only mild soap and water to clean prisms! Alcohol will degrade the quality of the product over time. Guldens acrylic ophthalmic prisms have been re engineered to solve the problem of birefringence which can hinder their use in certain clinical applications. Our exclusive manufacturing process greatly reduces optical strain, producing prisms that virtually