Laminated multi-focal lenses

Claim 2

A finished laminated multifocal compound ophthalmic lens combination of acceptable thickness and which may be either positive or negative within the range of +15 to -12 diopters and including corrections for far sight, reading and astigmatism, said combination having an outer spherical lens portion which is further away from the eye and inner lens portion which is closer to the eye, said outer lens portion having refracting power and being a multi-vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, said inner lens portion being a single vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, the inner surface of said outer lens portion and the outer surface of said inner lens portion being adhesively joined, said lens assembly being characterized by a. the outer surface of said outer lens portion being convex spherical and having a bifocal addition located on said outer surface of said outer lens portion, b. the inner surface of said outer lens portion being concave of a single, standard pre-selected spherical curvature on the order of about six diopters, c. the outer surface of said inner lens portion being convex spherical and complementary to the inner surface of said outer lens portion of single, standard pre-selected spherical curvature, d. the inner surface of said inner lens portion including a cylinder correction, said inner lens portion being of nonuniform edge thickness, e. one of a series of various diopter values of said multivision spherical outer lens portions having the capability and capacity to cooperate by aLgebraic addition with one of a series of various diopter values of said single vision inner lens portions of sphero-cylindrical character to produce said finished laminated multifocal compound ophthalmic lens of any value within said range of +15 to -12 diopters.

Claim 3

A finished laminated multifocal compound ophthalmic lens combination of acceptable thickness and which may be either positive or negative within the range of +15 to -12 diopters and including corrections for far sight, reading and astigmatism, said combination having an outer spherical lens portion which is further away from the eye and an inner lens portion which is closer to the eye, said outer lens portion being a multi-vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, said inner lens portion being a single vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, the inner surface of said outer lens portion and the outer surface of said inner lens portion being adhesively joined, said lens assembly being characterized by a. the outer surface of said outer lens portion being convex spherical and having a bifocal addition associated therewith, b. the inner surface of said outer lens portion being concave of a standard pre-selected spherical curvature on the order of about six diopters, c. the outer surface of said inner lens portion being convex spherical and complementary to the inner surface of said outer lens portion of standard pre-selected curvature, d. the inner surface of said inner lens portion including a cylinder correction, said inner lens portion being of non-uniform edge thickness, e. one of a series of various diopter values of said multi-vision spherical outer lens portions having the capability and capacity to cooperate by algebraic addition with one of a series of various diopter values of said single vision inner lens portions of sphero-cylindrical character to produce said finished laminated multifocal compound ophthalmic lens of any value within said range of +15 to -12 diopters, wherein said bifocal addition is integral with said spherical lens and forms and extension from the outer surface thereof.

Claim 4

A finished laminated multifocal compound ophthalmic lens combination of acceptable thickness and which may be either positive or negative within the range of +15 to -12 diopters and including corrections for far sight, reading and astigmatism, said combination having an outer spherical lens portion which is further away from the eye and an inner lens portion which is closer to the eye, said outer lens portion being a multi-vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, said inner lens portion being a single vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, the inner surface of said outer lens portion and the outer surface of said inner lens portion being adhesively joined, said lens assembly being characterized by a. the outer surface of said outer lens portion being convex spherical and having a bifocal addition associated therewith, b. the inner surface of said outer lens portion being concave of a standard pre-selected spherical curvature on the order of about six diopters, c. the outer surface of said inner lens portion being convex spherical and complementary to the inner surface of said outer lens portion of standard pre-selected curvature, d. the inner surface of said inner lens portion including a cylinder correction, said inner lens portion being of non-uniform edge thickness, e. one of a series of various diopter values of said multi-vision spherical outer lens portions having the capability and capacity to cooperate by algebraic addition with one of a series of various diopter values of said single vision inner lens portions of sphero-cylindrical character to produce said finished laminated multifocal compound ophthalmic lens of any value within said range of +15 to -12 diopters, wherein said bifocal addition is integral with said spherical lens and forms and extension from the outer surface thereof.

Claim 5

A finished laminated multifocal compound ophthalmic lens combination of acceptable thickness and which may be either positive or negative within the range of +15 to -12 diopters and including corrections for far sight, reading and astigmatism, said combination having an outer lens portions which is further away from the eye and an inner lens portion which is closer to the eye, said outer lens portion being a multi-vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, said inner lens portion being a single vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, the inner surface of said outer lens portion and the outer surface of said inner lens portion being adhesively joined, said lens assembly being characterized by a. the outer surface of said outer lens portion being convex spherical and having a bifocal addition associated therewith, b. the inner surface of said outer lens portion being concave of a standard pre-selected spherical curvature on the order of about six diopters, c. the outer surface of said inner lens portion being convex spherical and complementary to the inner surface of said outer lens portion of standard pre-selected curvature, d. the inner surface of said inner lens portion including a cylinder correction, said inner lens portion being of non-uniform edge thickness, e. one of a series of various diopter values of said multi-vision spherical outer lens portions having the capability and capacity to cooperate by algebRaic addition with one of a series of various diopter values of said single vision inner lens portions of sphero-cylindrical character to produce said finished laminated multifocal compound ophthalmic lens of any value within said range of +15 to -12 diopters, wherein said outer lens portion is provided with far sight power.

Claim 6

A finished laminated multifocal compound ophthalmic lens combination of acceptable thickness and which may be either positive or negative within the range of +15 to -12 diopters and including corrections for far sight, reading and astigmatism, said combination having an outer lens portions which is further away from the eye and an inner lens portion which is closer to the eye, said outer lens portion being a multi-vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, said inner lens portion being a single vision lens and having an outer surface which is further away from the eye and an inner surface which is closer to the eye, the inner surface of said outer lens portion and the outer surface of said inner lens portion being adhesively joined, said lens assembly being characterized by a. the outer surface of said outer lens portion being convex spherical and having a bifocal addition associated therewith, b. the inner surface of said outer lens portion being concave of a standard pre-selected spherical curvature on the order of about six diopters, c. the outer surface of said inner lens portion being convex spherical and complementary to the inner surface of said outer lens portion of standard pre-selected curvature, d. the inner surface of said inner lens portion including a cylinder correction, said inner lens portion being of non-uniform edge thickness, e. one of a series of various diopter values of said multi-vision spherical outer lens portions having the capability and capacity to cooperate by algebRaic addition with one of a series of various diopter values of said single vision inner lens portions of sphero-cylindrical character to produce said finished laminated multifocal compound ophthalmic lens of any value within said range of +15 to -12 diopters, wherein said outer lens portion is provided with far sight power.

Claim 7

A finished laminated lens combination in accordance with claim 1 wherein said inner lens portion is a sphero-cylinder provided with far sight spherical power.

Claim 8

A lens in accordance with claim 1 wherein said adhesive is an epoxy resin.

Claim 11

A lens stock for use in the manufacture of finished laminated multifocal compound ''''best form'''' ophthalmic lenses within the range of +15 to -12 diopters each having an inner concave cylindrical surface and an outer convex bifocal containing surface, said lens stock consisting essentially of: about 100 different finished spherical lens portions each having a bifocal addition located on the convex surface thereof and all having a concave surface of a single standardized curvature on the order of about six diopters; and about 480 different finished minus cylinder single vision lens portions of non-uniform thickness each having a different cylindrical concave surface and all having a convex surface of said single standardized curvature on the order of about six diopters; whereby said laminated lens may be formed of any ''''best form'''' desired prescription of +15 to -12 diopters by selection of a special lens portion and a minus cylinder lens portion for lamination together along said surfaces of said single standardized curvature.

Claim 12

A lens stock for use in the manufacture of finished laminated multifocal compound ''''best form'''' ophthalmic lenses within the range of +15 to -12 diopters each having an inner concave cylindrical surface and an outer convex bifocal containing surface, said lens stock consisting essentially of: about 100 different finished spherical lens portions each having a bifocal addition located on the convex surface thereof and all having a concave surface of a single standardized curvature on the order of about six diopters; and about 480 different finished minus cylinder single vision lens portions of non-uniform thickness each having a different cylindrical concave surface and all having a convex surface of said single standardized curvature on the order of about six diopters; whereby said laminated lens may be formed of any ''''best form'''' desired prescription of +15 to -12 diopters by selection of a special lens portion and a minus cylinder lens portion for lamination together along said surfaces of said single standardized curvature.

Claim 13

A finished laminated multifocal compound ophthalmic lens, of positive power up to +15 diopters, having on the occular side a concave cylindrical surface and on the outer side a convex bifocal containing surface comprising: a spherical outer lens portion having positive power and a bifocal addition located on the outer surface thereof and having an inner spherical concave surface of a single, standardized pre-selected curvature; an optical adhesive on the inner spherical concave surface of said spherical lens portion; and a cylindrical single vision lens portion of nonuniform thickness on the inner surface of said adhesive, said cylindrical lens portion having an outer convex surface of said single, standardized pre-selected curvature complementary to the inner concave surface of said spherical lens portion, and an inner occular surface having a spherocylinder curvature.

Claim 14

A finished laminated multifocal compound ophthalmic lens, of positive power up to +15 diopters, having on the occular side a concave cylindrical surface and on the outer side a convex bifocal containing surface comprising: a spherical outer lens portion having positive power and a bifocal addition located on the outer surface thereof and having an inner spherical concave surface of a single, standardized pre-selected curvature; an optical adhesive on the inner spherical concave surface of said spherical lens portion; and a cylindrical single vision lens portion of nonuniform thickness on the inner surface of said adhesive, said cylindrical lens portion having an outer convex surface of said single, standardized pre-selected curvature complementary to the inner concave surface of said spherical lens portion, and an inner occular surface having a spherocylinder curvature.

Claim 15

A finished, laminated, multi-focal compound ophthalmic lens combination of acceptable thickness and of far-sight power within the range of +15 to -12 diopters, and including corrections for far-sight, reading and astigmatism, comprising means for providing partial far-sight correction and reading correction selected from the group consisting of about 100 diffeRent finished spherical lens portions each having an outer convex and an inner concave surface, each having a bifocal addition for said reading correction associated with said convex surface, said spherical lens portions being divided into about 10 groups of about 10 lens portions in each of said 10 groups wherein each lens in a said group has the same correction for said far-sight but has a different bifocal addition for said reading, and each said lens portion having a single standardized curvature on said concave surface on the order of about 6 diopters; an optical adhesive located along the concave 6-diopter surface of said finished spherical lens portion; and means for correction of astigmatism and partial correction for far-sight selected from the group consisting of about 480 different finished minus cylinder, single vision lens portions of nonuniform thickness, each having a cylindrical concave surface and a convex surface of said single standardized curvature on the order of about 6 diopters, said convex surface of said minus cylinder single vision lens portion being laminated by way of said adhesive to said concave surface of said spherical lens portion; whereby a finished laminated lens is provided of ''''best form'''' having a prescription of +15 to -12 diopters having on the occular side a minus cylinder and on the outer side a convex bifocal containing surface.

Claim 16

A finished, laminated, multi-focal compound ophthalmic lens combination of acceptable thickness and of far-sight power within the range of +15 to -12 diopters, and including corrections for far-sight, reading and astigmatism, comprising means for providing partial far-sight correction and reading correction selected from the group consisting of about 100 diffeRent finished spherical lens portions each having an outer convex and an inner concave surface, each having a bifocal addition for said reading correction associated with said convex surface, said spherical lens portions being divided into about 10 groups of about 10 lens portions in each of said 10 groups wherein each lens in a said group has the same correction for said far-sight but has a different bifocal addition for said reading, and each said lens portion having a single standardized curvature on said concave surface on the order of about 6 diopters; an optical adhesive located along the concave 6-diopter surface of said finished spherical lens portion; and means for correction of astigmatism and partial correction for far-sight selected from the group consisting of about 480 different finished minus cylinder, single vision lens portions of nonuniform thickness, each having a cylindrical concave surface and a convex surface of said single standardized curvature on the order of about 6 diopters, said convex surface of said minus cylinder single vision lens portion being laminated by way of said adhesive to said concave surface of said spherical lens portion; whereby a finished laminated lens is provided of ''''best form'''' having a prescription of +15 to -12 diopters having on the occular side a minus cylinder and on the outer side a convex bifocal containing surface.

Claim 17

A series of finished laminated multi-focal, compound, ophthalmic lens combinations of acceptable thickness and far-sight power within the range of +15 to -12 diopters, and including corrections for far-sight, reading, and astigmatism, comprising means for providing partial far-sight correction and reading correction selected from a first lens portion group consisting of about 100 different finished spherical lens portions each having an outer convex and an inner concave surface, each selected lens for each lens combination of the series having a bifocal addition for said reading correction associated with said convex surface, and each selected lens for each lens combination of the series having a single standardized curvature on said concave surface on the order of about 6 diopters; an optical adhesive located along the concave 6-diopter surface of the said finished spherical lens portions of the series; and means for partial correction for far-sight and correction for astigmatism selected from a second lens portion group consisting of about 480 different finished minus cylinder, single vision lens portions of non-uniform thickness, each selected means for each lens combination of the series having a minus cylinder surface on the occular side and a convex surface of said single standardized curvature on the order of about 6 diopters, said convex surface of a said minus cylinder vision lens portion being laminated by said adhesive to the concave surface of a said spherical lens portion; any correcting means lens portion selected from said first group capable of being operatively and cooperatively associated by lamination with any selected correcting means lens portion from said second group to produce a series of different finished prescription lenses as the cooperating surfaces of the lens portions of said first group and the lens portions of said second group have a standardized curvature on the order of about 6 diopters; each of said laminated lenses in said series being a ''''best form'''' lens within the range of +15 to -12 diopters to fill any prescription for far-sight, reading, and astigmatism within said range, and having on the occular side a minus cylinder and on the outer side a convex bifocal-containing surface, each of said prescriptions in said series being different from each other.

Claim 18

A series of finished laminated multi-focal, compound, ophthalmic lens combinations of acceptable thickness and far-sight power within the range of +15 to -12 diopters, and including corrections for far-sight, reading, and astigmatism, comprising means for providing partial far-sight correction and reading correction selected from a first lens portion group consisting of about 100 different finished spherical lens portions each having an outer convex and an inner concave surface, each selected lens for each lens combination of the series having a bifocal addition for said reading correction associated with said convex surface, and each selected lens for each lens combination of the series having a single standardized curvature on said concave surface on the order of about 6 diopters; an optical adhesive located along the concave 6-diopter surface of the said finished spherical lens portions of the series; and means for partial correction for far-sight and correction for astigmatism selected from a second lens portion group consisting of about 480 different finished minus cylinder, single vision lens portions of non-uniform thickness, each selected means for each lens combination of the series having a minus cylinder surface on the occular side and a convex surface of said single standardized curvature on the order of about 6 diopters, said convex surface of a said minus cylinder vision lens portion being laminated by said adhesive to the concave surface of a said spherical lens portion; any correcting means lens portion selected from said first group capable of being operatively and cooperatively associated by lamination with any selected correcting means lens portion from said second group to produce a series of different finished prescription lenses as the cooperating surfaces of the lens portions of said first group and the lens portions of said second group have a standardized curvature on the order of about 6 diopters; each of said laminated lenses in said series being a ''''best form'''' lens within the range of +15 to -12 diopters to fill any prescription for far-sight, reading, and astigmatism within said range, and having on the occular side a minus cylinder and on the outer side a convex bifocal-containing surface, each of said prescriptions in said series being different from each other.