Patent · US Expired

Treatment of dry eye

US4131651A · kind A · utility

54Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 1977
Grant dateDec 26, 1978
Priority date
Expiry dateOct 25, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/0048
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Methods and compositions are provided for the treatment of dry eye and discontinuous tear films. The ophthalmic solution for maintaining a continuous tear film employs a combination of hydroxyalkylcellulose and polyvinyl alcohol in a predetermined ratio in an aqueous isotonic medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.