Loose Prism Set of 16 Gonio Lens Welch Allyn Illuminator models:

Welch Allyn Illuminator models:

Perfectly corrected for field curvature

Symmetrical jaw design is always in the correct position

High Magnification Viewing of the Posterior Pole

Loose Prism Set of 16 Gonio Lens Welch Allyn Illuminator models:Includes 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