Contact lens packages

Abstract

A package having a roughened surface that does not adhere to a medical device enclosed therein.

1 . A package for storing medical devices in a solution comprising 
 (a) a molded base comprising 
 a cavity formed in said molded base wherein said cavity comprises an inner surface, and  
 a flange extending outwardly from the periphery of said cavity wherein said flange comprises a top surface;  
   (b) a flexible cover sheet superimposed over said top surface of said flange and detachably sealed to said flange at about the periphery of said cavity to form an enclosure between said inner surface and said flexible cover, 
 wherein said inner surface has sufficient roughness so that a medical device contained within said enclosure floats freely in a solution.  
   
   
   
       2 . The package of  claim 1  wherein the device is a contact lens.  
   
   
       3 . The package of  claim 2  wherein the contact lens is selected from the groups consisting of etafilcon A, genfilcon A, lenefilcon A, polymacon, acquafilcon A, balafilcon A, and lotrafilcon A  
   
   
       4 . The package of  claim 2  wherein the contact lens is acquafilcon A, balafilcon A, or lotrafilcon A.  
   
   
       5 . The package of  claim 1  wherein the inner surface has an average roughness of about 4 μm to about 0.6 μm.  
   
   
       6 - 8 . (canceled)  
   
   
       9 . The package of  claim 1  wherein the inner surface has an average roughness of about 0.5 μm.  
   
   
       10 - 23 . (canceled)