Processor controlled intraocular lens system

Abstract

The present invention relates generally to an intraocular lens system controlled with a processor, including a liquid meniscus lens and supporting electronics. Embodiments may include intraocular lens systems of various shapes and sizes, liquid meniscus lens components of various shapes and sizes, variations in supporting electronics with corresponding variations in lens function.

What is claimed is: 
     
         1 . An intraocular lens system comprising:
 a front curve lens comprising a front curve lens exterior surface and a front curve lens interior surface;   a back curve lens comprising a back curve lens interior surface and a back curve lens exterior surface said back curve lens positioned proximate to said front curve lens such that said front curve lens interior surface and said back curve lens interior surface form a cavity therebetween and forming a lens assembly, said front curve lens and back curve lens of suitable size and shape to replace an intraocular lens in a human eye;   a volume of oil and a volume of saline solution contained within the cavity with a meniscus formed between said oil and said saline solution, wherein said meniscus comprises an optical characteristic;   a conductive coating on at least a portion of one or both of said front curve lens interior surface and said back curve lens interior surface, said portion comprising a perimeter area of said front curve lens interior surface and said back curve lens interior surface;   a power source for supplying an electrical charge to the conductive coating, wherein the application of the electrical charge is sufficient to cause a change of an optical characteristic of said meniscus.   
     
     
         2 . The intraocular lens system of  claim 1  additionally comprising a processor positioned proximate to the front curve lens and the back curve lens, said processor in electrical communication to control the application of the electrical charge to the conductive coating. 
     
     
         3 . The intraocular lens system of  claim 1  additionally comprising an adhesive securing said front curve lens in the position proximate to the back curve lens, wherein at least one of said front curve lens exterior surface and said back curve lens exterior surface comprise an arcuate shape. 
     
     
         4 . The intraocular lens system of  claim 3  wherein both of said front curve lens exterior surface and said back curve lens exterior surface comprise an arcuate shape 
     
     
         5 . The intraocular lens system of  claim 1  wherein the power source comprises a lithium ion battery. 
     
     
         6 . The intraocular lens system of  claim 1  additionally comprising a wireless transmitter for communicating logic to and from the processor. 
     
     
         7 . The intraocular lens system of  claim 6  wherein the communicated logic modifies a focus of the optical characteristic formed by the meniscus. 
     
     
         8 . The intraocular lens system of  claim 7  wherein the volume of oil is less than the volume of saline solution contained within the cavity. 
     
     
         9 . The intraocular lens system of  claim 8  wherein the volume of oil comprises about 66% or more by volume as compared to an amount of saline solution. 
     
     
         10 . The intraocular lens system of  claim 8  wherein the volume of oil comprises about 90% or less by volume as compared to an amount of saline solution. 
     
     
         11 . The intraocular lens system of  claim 10  wherein the conductive coating extends from an area interior to the cavity to an area external to the cavity. 
     
     
         12 . The intraocular lens system of  claim 11 , wherein the area of conductive coating external to the cavity forms an electrical terminal for providing an electrical charge to the conductive coating based upon a signal from the processor. 
     
     
         13 . The intraocular lens system of  claim 9  wherein the electrical charge comprises a direct current. 
     
     
         14 . The intraocular lens system of  claim 13  wherein the electrical charge comprises about 20.0 volts. 
     
     
         15 . The intraocular lens system of  claim 13  wherein the electrical charge comprises between about 18.0 volts to 22.0 volts. 
     
     
         16 . The intraocular lens system of  claim 13  wherein the electrical charge comprises about 5.0 volts. 
     
     
         17 . The intraocular lens system of  claim 13  wherein the electrical charge comprises between about 3.5 volts to about 7.5 volts. 
     
     
         18 . The intraocular lens system of  claim 3  wherein the front curve lens exterior surface comprises an optical power other than about 0 diopters. 
     
     
         19 . The intraocular lens system of  claim 3  wherein the front curve lens interior surface comprises an optical power other than about 0 diopters. 
     
     
         20 . The intraocular lens system of  claim 3  wherein the back curve lens interior surface comprises an optical power other than about 0 diopters. 
     
     
         21 . The intraocular lens system of  claim 11  additionally comprising a channel through one or both of the front curve lens and the back curve lens and a conductive material filling the channel. 
     
     
         22 . The intraocular lens system of  claim 21  additionally comprising a terminal in electrical communication with the conductive material filling the channel. 
     
     
         23 . The intraocular lens system of  claim 22  wherein application of an electrical charge to the terminal causes a change in the shape of the meniscus. 
     
     
         24 . The intraocular lens system of  claim 11  additionally comprising an insulator coating along at least a portion of the interior surface of the front curve lens, wherein the insulator coating comprises an electrical insulator. 
     
     
         25 . The intraocular lens system of  claim 24 , wherein the insulator comprises one of Parylene C and Teflon AF. 
     
     
         26 . The intraocular lens system of  claim 24  wherein the insulator comprises a boundary area to maintain separation between the conductive coating and a saline solution contained in the cavity between the front curve lens and the back curve lens.