Stick-mounted prisms designed to minimize fingerprints and reduce cleaning frequency, extending product lifespan. Ideal for clinical settings and vision testing environments where cleanliness is essential. Available in a comprehensive range from 0.5 to 50 diopters to accommodate diverse vision correction needs. The stick-mounted design provides superior durability and ease of handling compared to traditional square prisms, making these a reliable choice for professional eye care practitioners and vision screening programs.