1 the Ultra-thin glass is KODAK Blue Light Reflective les (refractive index 1.67), if you prefer other brand lens,for example Zeiss,Essilor,Nidec etc. Or you prefer transparent lens without Blue Light Reflective, please message us, we will quote you a new price. 2 The frame adopts injection molding process(not 3D Print) which is much more ultra-thin than 3D print, will not touch the eyes. And the installation method is Magnetic Adsoption ( High-strength NdFeB magnet, strong suction, not afraid of falling off) , quick remove and intallation. 3 About your eye data, you please tell us ,for example: