A composition comprising: a blended product of: a matrix polymer; and from 0.05 to 2.5 wt % diffuser polymer particles, wherein the diffuser polymer particles are characterized by an average diameter from 2 to 20 micrometers, a particle size distribution such that at least 90 wt % of the polymer particles fall within ±30% of the volume average particle size, a crosslinking level greater than 4%; and wherein the diffuser polymer particles comprise units derived from at least one alkyl(meth)acrylate monomer, from 5 wt % to 25 wt % units derived from a crosslinking monomer selected from the group consisting of aliphatic crosslinking monomers, aromatic crosslinking monomers and combinations thereof, optionally, units derived from one or more comonomers selected from the group consisting of aryl(meth)acrylate monomers and monovinyl arenes; and wherein from 0.1 to 20 wt % one or more performance additives dispersed within the diffuser polymer particles is provided.