Non-opaque flame retardant polycarbonate composition

A non-opaque flame retardant aromatic carbonate polymer composition comprising in admixture an aromatic carbonate polymer and from 0.001 to about 2.0 parts per hundred parts of the aromatic carbonate polymer of an additive selected from the group consisting of the metal salts of substituted and unsubstituted sulfonic acids of aromatic sulfides, and mixtures thereof, wherein said metal salts are selected from the group consisting of alkali metals and alkaline earth metals, and mixtures of these metal salts, and said substituent on the metal salt of the substituted sulfonic acids of aromatic sulfides is selected from the group consisting of electron withdrawing radicals and mixtures of electron withdrawing radicals;

• said aromatic carbonate polymer and additive having a refractive index in the range of 1.54 to 1.65.