The photosensitive agent is activated by {HEAD ~ low energy light} that is directed to {TAIL ~ the neovascular target site}, and also may be directed to a surrounding area using a laser  
is directed to
The photosensitive agent is activated by { HEAD ~ low energy light } that is directed to { TAIL ~ the neovascular target site } , and also may be directed to a surrounding area using a laser
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH