Patent · US Expired

Iridotomy-sphincterotomy contact lens

US4750829A · kind A · utility

9Cited by
3References
8Claims
0Family size

Inventor

Key dates

Filing dateMay 9, 1986
Grant dateJun 14, 1988
Priority date
Expiry dateMay 9, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2009/00891
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A laser iridotomy sphincterotomy contact lens having a high-power (103 diopter) entry lens decentered 2.5 millimeters from the contact lens. Very small iris focal spots and high-energy density are practically achievable.

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