The magnets are {TAIL ~ solid cylinders} with a large central hole mounted on intact or perforated eyeglass lenses; or thin flexible disks with either a large central hole or a plurality of small holes mounted directly on the eyeglass rims in {HEAD ~ place} of lenses 
The magnets are { TAIL ~ solid cylinders } with a large central hole mounted on intact or perforated eyeglass lenses ; or thin flexible disks with either a large central hole or a plurality of small holes mounted directly on the eyeglass rims in { HEAD ~ place } of lenses
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH