Star Trek Fort Knocks Rx sunglasses are designed for those ready to explore the galaxy in style. Adorned with a bold depiction of the U.S.S. Enterprise zipping through space, these shades feature polarized Beam Me Up Blue lenses with full UV400 protection, making them perfect for any sunny mission—whether you're on Earth or venturing into the final frontier. The time-tested Fort Knocks frame ensures durability on all your adventures, while the custom Star Trek microfiber pouch, featuring Captain Kirk and Spock, keeps your sunglasses secure when not engaged. Whether you're commanding a starship or just hanging in your backyard, these Fort Knocks prescription sunglasses and eyeglasses are ready for anything. Dark blue and purple frame Iconic U.S.S. Enterprise on the outside of the arms Silver Star Trek logo on inside of the arm Silver "Knockaround" logos and hardware Single vision or progressive Lenses available in a variety of colors All sunglasses lenses are polarized Digital lens technology offers sharper image quality and enhanced contrast Correction available in -6 to +3* Astigmatism correction available to -4.00 Pupillary distance available in 57-80mm** Scratch resistant coating Anti-reflective coating FDA compliant impact-resistant polycarbonate lenses UV400 protection Lightweight Unisex Hard shell case and microfiber pouch included Prescription eyewear is available for U.S. customers only *Correction available may vary per prescription and frame style selection. Our technicians will verify your eligibility before your order goes to production and will contact you with any issues. **Some PD restrictions may apply on specific frames. A large disparity between customer PD and frame PD will increase thickness of final product.