The copolymers and {HEAD ~ ophthalmic lenses} of {TAIL ~ the present invention} are hydrophobic and soft, with a low glass transition temperature and a high refractive index 
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The copolymers and { HEAD ~ ophthalmic lenses } of { TAIL ~ the present invention } are hydrophobic and soft , with a low glass transition temperature and a high refractive index
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH