Polymer and monomer compositions based on a chromophore and improved light absorption. Lens materials can be fabricated. A composition comprising: a compound comprising a polymerizable vinyl group covalently linked to a benzene ring-based chromophore comprising: a substituent comprising a carbonyl group at the 1 -position; a substituent comprising a hydroxy, ether, ester or a combination thereof at the 2-position; and a substituent comprising a (p-Nitrophenylazo) group at the 4 position of the benzene ring, including salts.
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(2008/12/08)
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