Back Rad Tech Front: 0.75mm lead equivalent Side: 0.35mm lead equivalent Optional prescription: single vision, bifocal or trifocal Personalisation possible Contact us about this product A product by Shielding International Shielding International Related products Standard Standard Show product info Titanium Oval Titanium Oval Show product info BR310 BR310 Show product info Astro Flex Astro Flex Show product info