An alternative to diffuser products is to utilize translucent acrylic (Opal, Light Opal, Satin Glass, Satin Ice)
Y12 Prismatic Panel
Y12 is the original prismatic pattern lighting panel whose overall efficiencies and lamp concealment qualities have become the benchmark in the industry. Y12 has a 5mm diagonal female prism pattern that provides maximum efficiency and good brightness control in the direct glare zone.
Light output ratio of 74%
Unified glare rating of 22
Material exceeds recognised standards
Under normal internal conditions the lenses will perform satisfactorily for 20 years