Optego Fresnel Stick-On Prism 1D-35D

Optego Fresnel Stick-On Prisms. Compare to 3M Press-on Prisms, Trusetal Prisms or Fresnel PrismsOptego Stick-On Prisms attach very easily to eye glasses and are made from a silicone-like material. You can use the entire prism: 30% more surface area than other competing products!Other benefits: • Clearer image • Superior optical qualities, no yellowing• Very flexible, no stiffening• Thin prisms at all Diopter values • Base and Diopter strength clearly marked on each prism • Size: 2.9” x 2.6” (75 x 66 mm), no perforations, each prism fully useable • Easy to cut, multiple uses for each prism• Comes in protective, stackable, plastic containers• Available in 1D, 2D, 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D, 12D, 15, 17.5D, 20D, 25D, 30D and 35D.Manufactured in the USA with our Clear Prism® Technology Protocol.