Ophthalmological surgery colorant and delivery system

Abstract

Improved ophthalmological surgical methods, systems and devices, employing a colorant.

1 . (canceled)  
   
   
       2 . A method for removing a layer of material from an eye, comprising the steps of: 
 a) providing in a multiple chamber delivery device components of a colorant admixture including: 
 i) indocyanine green; and  
 ii) a diluent;  
   b) mixing said components to form a colorant admixture;    c) administering said colorant admixture into an eye of a patient;    d) staining the anterior capsule of a cataract; and    e) removing said cataract.    
   
   
       3 - 21 . (canceled)  
   
   
       22 . A method for removing a layer of material from an eye, comprising the steps of: 
 a) providing a colorant admixture consisting essentially of: 
 i) indocyanine green; and  
 iii) a sterile aqueous diluent, wherein the indocyanine green is present in an amount of about 1 to about 4 mg per about 0.5 ml of the diluent;  
   b) injecting said colorant admixture into an eye of a patient through a conduit of a delivery instrument;    c) staining the anterior capsule of a cataract; and    d) removing said cataract.