There is a photo &quot;showing the difference in glare between poorly designed lamps and full cutoff lamps.&quot;<p>That reminds me of a lens design I read about back in 2013 that used TIR lenses<p><a href="https:&#x2F;&#x2F;www.osapublishing.org&#x2F;oe&#x2F;fulltext.cfm?uri=oe-21-9-10612&amp;id=253009" rel="nofollow">https:&#x2F;&#x2F;www.osapublishing.org&#x2F;oe&#x2F;fulltext.cfm?uri=oe-21-9-10...</a><p>Anyone know if this system is seeing widespread adoption?