Optego Fresnel Stick-On Prisms (1-35 Diopters)

Note: Please email us your doctor prescription along with the order no at info@stickonfresnelprisms.com Optego Fresnel Prisms attach very easily to eye glasses Made from a silicone-like material.  Manufactured in the USA with our Clear Prism® Technology Protocol.  Use the whole prism: 30% more surface area than other competing products. Each prism measures 65 x 73 cm (2-1/2″ x 2-7/8″). All 17 prisms are thin and flexible. Clear image Superior clear optical qualities, No yellowing. Very flexible, No stiffening. Thin prisms at all Diopter values. Base and Diopter strength clearly marked on each prism. No perforations, fully usable. Easy to cut, Multiple uses for each prism. Come in protective - stackable - plastic containers. Competitive pricing compare to 3M Press-on Prisms or Trusetal Prisms. Available in 1D, 2D, 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D, 12D, 15D, 17.5D, 20D, 25D, 30D and 35D (Diopters). Instructions for use Optego Prisms:  1. Clean the inside surface of the spectacle lens. 2. Outline the spectacle lens on the smooth side of the prism with a felt tip pen. 3. Cut out the outline of shape with scissors. Rinse the prism with warm water. A mild hand soap can be used if desired. 4. Moisten the lens and attach the smooth side of the prism to the inside of the spectacle lens.