Release and elimination of methylmethacrylate monomer after intraocular lens implantation. 1987

K Ludwig, and O F Scheiffarth, and O E Lund
Universitäts-Augenklinik München, Federal Republic of Germany.

The potential for certain constituents in intraocular lenses, such as monomer methylmethacrylate (MMM), to induce toxic effects after intraocular implantation not only depends on their toxic potency, but also on the characteristics of their release, accumulation, and elimination from the aqueous humor. A mathematical estimation taking these factors into account shows that for a lens mass of approximately 15 mg, the concentration of MMM in the aqueous humor amounts to about 10(-4) of the respective concentration in the lens, but that value is maintained for several weeks. Therefore, experiments to test the chemical toxicity of MMM or similar lens compounds in eyes must not only take into account the actual concentration limit but also the time of exposure to the substance.

UI MeSH Term Description Entries
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008433 Mathematics The deductive study of shape, quantity, and dependence. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Mathematic
D008768 Methylmethacrylates The methyl esters of methacrylic acid that polymerize easily and are used as tissue cements, dental materials, and absorbent for biological substances.
D008962 Models, Theoretical Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena. They include the use of mathematical equations, computers, and other electronic equipment. Experimental Model,Experimental Models,Mathematical Model,Model, Experimental,Models (Theoretical),Models, Experimental,Models, Theoretic,Theoretical Study,Mathematical Models,Model (Theoretical),Model, Mathematical,Model, Theoretical,Models, Mathematical,Studies, Theoretical,Study, Theoretical,Theoretical Model,Theoretical Models,Theoretical Studies
D005123 Eye The organ of sight constituting a pair of globular organs made up of a three-layered roughly spherical structure specialized for receiving and responding to light. Eyes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D020366 Methylmethacrylate The methyl ester of methacrylic acid. It polymerizes easily to form POLYMETHYL METHACRYLATE. It is used as a bone cement. Methylmethacrylate Methyl Monomer,Cranioplast,Kallocryl,Kallocryl A,Metaplex,Methacrylate Methyl Monomer,Simplex P,Sintex,Zimmer Bone Cement,Bone Cement, Zimmer,Bone Cements, Zimmer,Cement, Zimmer Bone,Cements, Zimmer Bone,Cranioplasts,Kallocryls,Metaplices,Methacrylate Methyl Monomers,Methyl Monomer, Methacrylate,Methyl Monomer, Methylmethacrylate,Methyl Monomers, Methacrylate,Methyl Monomers, Methylmethacrylate,Methylmethacrylate Methyl Monomers,Monomer, Methacrylate Methyl,Monomer, Methylmethacrylate Methyl,Monomers, Methacrylate Methyl,Monomers, Methylmethacrylate Methyl,Sintices,Zimmer Bone Cements

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