Dry eye treatment process and solution

  • US 5,578,586 A
  • Filed: 02/04/1994
  • Issued: 11/26/1996
  • Est. Priority Date: 04/02/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. An artificial tear film over an ocular surface comprising an aqueous layer coated with a film of an oil.

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