Invisible multifocal sunglasses

Abstract

Invisible bifocal sunglasses. The sunglasses include a hard mirror coating to disguise the different focal powers of the sunglasses. The bifocal sunglasses also include a bifocal region that is molded within the main lens blank of the sunglasses.

1 . A lens assembly for sunglasses, said lens assembly comprising: 
 an outer lens having a first focal power,    a dye pigmentation for blocking light transmission through said lens assembly; and    a hard coating on said outer lens to disguise said the focal power of said outer lens.    
   
   
       2 . The lens assembly of  claim 1  wherein said hard coating further includes: 
 providing additional strength to said outer lens.    
   
   
       3 . The lens assembly of  claim 1  wherein said hard coating includes: 
 providing the appearance of a light flash mirror.    
   
   
       4 . The lens assembly of  claim 1  wherein said hard coating includes: 
 chemicals having chromium as one ingredient.    
   
   
       5 . The lens assembly of  claim 1  wherein said outer lens including: 
 focal power objects to improve visual acuity; and    said hard coating disguises said focal power objects on said outer lens to an observer.    
   
   
       6 . The lens assembly of  claim 1  wherein said lens assembly includes: 
 an inner lens affixed with said outer lens and having a second focal power; and    said hard coating is provided on said outer lens and said inner lens to disguise the differing focal powers of said outer lens and said inner lens to an observer.    
   
   
       7 . The lens assembly of  claim 1  wherein said lens assembly includes: 
 an inner lens having a differing focal power than said outer lens;    said inner lens is molded into said outer lens; and    said hard coating disguises the differing focal power of said outer lens and said inner lens to an observer.    
   
   
       8 . The lens assembly of  claim 1  wherein said lens assembly includes: 
 said outer lens having a non-magnified focal power;    an inner lens having a differing focal power than said outer lens;    said inner lens is molded into said outer lens; and    said hard coating disguises the differing focal powers of said outer lens and said inner lens to an observer.    
   
   
       9 . The lens assembly of  claim 1  wherein said dye pigmentation for said lens assembly limits the light transmittance through said lens assembly approximately between ten to forty percent.  
   
   
       10 . The lens assembly of  claim 1  wherein said dye pigmentation for said lens assembly limits the light transmittance through said lens assembly to about approximately twelve to fifteen percent.  
   
   
       11 . A lens assembly for use in eyewear, said lens assembly comprising: 
 an outer lens portion having a first focal power;    an inner lens portion having a second focal power formed within said outer lens portion; and    a light transmittance through said lens assembly of approximately between ten to forty percent.    
   
   
       12 . The lens assembly of  claim 11  wherein said inner lens portion is molded within said outer lens portion.  
   
   
       13 . The lens assembly of  claim 11  wherein said lens assembly includes: 
 a hard coating to disguise said difference in focal power between said outer lens portion and said inner lens portion.    
   
   
       14 . The lens assembly of  claim 11  wherein said lens assembly includes: 
 said outer lens portion having a non-magnified focal power; and    a hard coating to disguise said difference in focal power between said outer lens portion and said inner lens portion.    
   
   
       15 . The lens assembly of  claim 11  wherein said lens assembly includes: 
 a hard coating to disguise the difference in focal power between said outer lens portion and said inner lens portion; and    said hard coating adds strength to said lens assembly.    
   
   
       16 . The lens assembly of  claim 11  wherein said lens assembly includes: 
 said outer lens portion having a non-magnified focal power;    a hard coating to disguise the difference in focal power between said outer lens portion and said inner lens portion; and    said hard coating adds strength to said lens assembly.    
   
   
       17 . The lens assembly of  claim 11  wherein said lens assembly includes: 
 a mirror coating to said lens assembly to disguise the difference in focal power between said outer lens portion and said inner lens portion.    
   
   
       18 . The lens assembly of  claim 11  wherein said lens assembly includes: 
 said outer lens portion having a non-magnified focal power; and    a mirror coating to said lens assembly to disguise the difference in focal power between said outer lens portion and said inner lens portion.    
   
   
       19 . The lens assembly of  claim 11  wherein said hard coating includes: 
 providing the appearance of a light flash mirror.    
   
   
       20 . The lens assembly of  claim 11  wherein said hard coating includes: 
 chemicals having chromium as one ingredient.    
   
   
       21 . A method for manufacturing a lens assembly for eyewear, said method comprising the steps of: 
 injecting heated plastic resins in an outer mold to create a first lens blank with a first focal power;    injecting heated plastic resins in an inner mold within said outer mold to create a second lens blank with a second focal power within said first lens blank; and    dying said first lens blank and said second lens blank with pigmentation to limit light transmittance between ten and forty percent.    
   
   
       22 . The method of  claim 21  wherein said method further comprises: 
 coating said first lens blank and second lens blank with a bard metallic coating to disguise said focal powers of said first lens blank and second lens blank.    
   
   
       23 . The method of  claim 21  wherein said method further comprises: 
 providing said first lens blank with a non-magnified focal power; and    coating said first lens blank and second lens blank with a hard metallic coating to disguise said focal powers of said first lens blank and second lens blank.    
   
   
       24 . The method of  claim 21  wherein said coating step further includes: 
 coating said first lens blank and said second lens blank with a chromium coating.    
   
   
       25 . The method of  claim 21  wherein said coating step further includes: 
 coating said first lens blank and said second lens blank in a vacuum coating process.    
   
   
       26 . The method of  claim 21  wherein said step of dying said other lens blank and said lens blank includes: 
 treating said lens blanks with pigmentation to limit light transmittance between about twelve to fifteen percent.    
   
   
       27 . A method for manufacturing a lens assembly for eyewear, said method comprising the steps of: 
 providing a corrective eyewear lens;    providing light transmittance blocking on said corrective eyewear lens; and    coating said corrective eyewear lens with a hard metallic coating to disguise said focal powers of said corrective eyewear lens.    
   
   
       28 . The method of  claim 27  wherein said coating step further includes: 
 coating said corrective eyewear lens with a chromium coating.    
   
   
       29 . The method of  claim 27  wherein said coating step further includes: 
 coating said corrective eyewear lens in a vacuum coating process.    
   
   
       30 . The method of  claim 27  wherein said step of providing light transmittance blocking includes: 
 treating said corrective eyewear lens with pigmentation to limit light transmittance between about twelve to fifteen percent.    
   
   
       31 . The method of  claim 27  wherein said step of providing a corrective eyewear lens includes: 
 providing a multifocal lens.    
   
   
       32 . The method of  claim 27  wherein said step of providing a corrective eyewear lens includes; 
 injecting heated plastic resins in a outer mold to create a first lens blank with a first focal power; and    injecting heated plastic resins in a inner mold within said outer mold to create a second lens blank with a second focal power within said first lens blank.    
   
   
       33 . The method of  claim 27  wherein said step of providing a corrective eyewear lens includes: 
 injected heated plastic resins in a outer mold to create a first lens blank with a non-magnified focal power; and    injecting heated plastic resins in a inner mold within said outer mold to create a second lens blank with a focal power differing firm said non-magnified focal power within said first lens blank.