Age related macular degeneration results in {HEAD ~ the formation} of {TAIL ~ new blood vessels} in the eye 
Age related macular degeneration results in { HEAD ~ the formation } of { TAIL ~ new blood vessels } in the eye
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH