High refractive-index, hydrophilic monomers and polymers, and ophthalmic devices comprising such polymers
View Patent ↗An intraocular lens comprising a polymer that is prepared from a monomer mixture comprising a monomer of formula G-D-Ar (I) wherein Ar is a C 6 -C 24 aromatic group having a hydrophilic substituent, D is a divalent linking group, and G is a reactive functional group selected from the group consisting of acryloyl, acryloyloxy, methacryloyl, methacryloyloxy and mercapto. The polymer has an equilibrium water content of greater than 4.5 percent by weight.
1. An intraocular lens comprising a polymer that is prepared from a monomer mixture comprising a monomer of formula
G-D-Ar (I)
wherein Ar is a C 6 -C 24 aromatic group having a hydrophilic substituent selected from the group consisting of —COOH, —CH 2 —CH 2 OH, —(CHOH) 2 —CH 2 OH, —CH 2 —CHOH—CH 2 OH, —C(O)O—NH 2 , —C(O)—N(CH 3 ) 2 , and —(O—CH 2 —CH 2 ) n —OH wherein 1≦n ≦20, and D is a divalent saturated straight C 1 -C 10 hydrocarbon or alkyloxy linking group, and G is a reactive functional group selected from the group consisting of acryloyl, acryloyloxy, methacryloyl, methacryloyloxy and mercapto, and a hydrophobic alkyl monomer selected from C 1 -C 10 alkyl methacrylates or C 1 -C 10 alkyl acrylates, wherein the polymer has a refractive index of from 1.4 to 1.7.
2. The intraocular lens of claim 1 , wherein the hydrophilic substituent is selected from the group consisting of —COOH, —CH 2 —CH 2 OH, —(CHOH) 2 —CH 2 OH, —CH 2 —CHOH—CH 2 OH, —C(O)O—NH 2 , and —C(O)—N(CH 3 ) 2 .
3. The intraocular lens of claim 1 , wherein said hydrophilic substituent is —(O—CH 2 —CH 2 ) n OH, wherein n is an integer and 1≦n ≦20.
4. The intraocular lens of claim 1 , wherein the monomer of formula I is
wherein R is hydrogen or CH 3 .
5. The intraocular lens of claim 1 , wherein the monomer of formula I is
wherein R is hydrogen or CH 3 .
6. The intraocular lens of claim 1 , wherein the monomer of formula I is
wherein R is hydrogen or CH 3 , and R 1 is —C(O)O—NH 2 or —C(O)—N(CH 3 ) 2 .
7. The intraocular lens of claim 3 wherein D is alkyloxy.
8. The intraocular lens of claim 3 wherein n is 1.
9. The intraocular lens of claim 1 wherein the monomer mixture further comprises a hydrophobic monomer selected from C 6 -C 40 arylalkylmethacrylates or C 6 -C 40 arylalkylacrylates.
10. The intraocular lens of claim 9 wherein the C 6 -C 40 arylalkylmethacrylates or C 6 -C 40 arylalkylacrylates are selected from the group consisting of 2-phenylethyl methacrylate, 3-phenylpropyl methacrylate, 4-phenylbutyl methacrylate, 2-phenoxyethyl methacrylate, benzyl methacrylate, phenylethyl acrylate, benzyl acrylate, 3-phenylpropyl acrylate, 4-phenylbutyl acrylate and 2-phenylethoxy acrylate.
11. The intraocular lens of claim 1 wherein the C 1 -C 10 alkyl methacrylates or C 1 -C 10 alkyl acrylates are selected from the group consisting of methyl acrylate, ethyl acrylate, propyl acrylate, hexyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate and butyl methacrylate.
12. The intraocular lens of claim 10 wherein the C 1 -C 10 alkyl methacrylates or C 1 -C 10 alkyl acrylates are selected from the group consisting of methyl acrylate, ethyl acrylate, propyl acrylate, hexyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate and butyl methacrylate.
13. An intraocular lens comprising a polymer that is prepared from a monomer mixture comprising:
a monomer of formula
G-D-Ar (I)
wherein Ar is a C 6 -C 24 aromatic group having a hydrophilic substituent selected from the group consisting of —COOH, —CH 2 —CH 2 OH, —(CHOH) 2 —CH 2 OH, —CH 2 —CHOH—CH 2 OH, —C(O)O—NH 2 , —C(O)—N(CH 3 ) 2 , and —(O—CH 2 —CH 2 ) n —OH wherein 1≦n≦20, and D is a divalent alkyloxy linking group, and G is a reactive functional group selected from the group consisting of acryloyl, acryloyloxy, methacryloyl, methacryloyloxy and mercapto,
a hydrophobic alkyl monomer selected from C 1 -C 10 alkyl methacrylates or C 1 -C 10 alkyl acrylates, and
a hydrophobic C 6 -C 40 arylalkylmethacrylate or C 6 -C 40 arylalkylacrylate selected from the group consisting of 2-phenylethyl methacrylate, 3-phenylpropyl methacrylate, 4-phenylbutyl methacrylate, 2-phenoxyethyl methacrylate, benzyl methacrylate, phenylethyl acrylate, benzyl acrylate, 3-phenylpropyl acrylate, 4-phenylbutyl acrylate and 2-phenylethoxy acrylate; and wherein the polymer has a refractive index of from 1.4 to 1.7.
14. The intraocular lens of claim 13 wherein said hydrophilic substituent is —(O—CH 2 —CH 2 ) n OH, wherein n is an integer and 1≦n≦20.
15. The intraocular lens of claim 13 wherein the C 1 -C 10 alkyl methacrylates or C 1 -C 10 alkyl acrylates are selected from the group consisting of methyl acrylate, ethyl acrylate, propyl acrylate, hexyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate and butyl methacrylate.