<page_title> Corrective lens </page_title> <section_title> Ophthalmic material property tables </section_title> <table> <cell> Polycarbonate <col_header> Material, Plastic </col_header> </cell> <cell> 1.586 <col_header> Index (Nd) </col_header> </cell> <cell> 30 <col_header> Abbe (Vd) </col_header> </cell> <cell> 1.20 <col_header> Specific Gravity (g/cm3) </col_header> </cell> </table>
Polycarbonate had Refractive index (nd): 1.586, Abbe value (Vd): 30 and Density: 1.2 g/cm³.