In {TAIL ~ a further embodiment} {HEAD ~ the lens substrate} is provided with an infra red reflection layer 
In { TAIL ~ a further embodiment } { HEAD ~ the lens substrate } is provided with an infra red reflection layer
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH