Patent · US Expired

Non-contact tonometry method

US6419631B1 · kind B1 · utility

15Cited by
4References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 20, 2000
Grant dateJul 16, 2002
Priority date
Expiry dateApr 20, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B3/165
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

During corneal deformation induced by a fluid pulse, observations associated with an inward first state of applanation and an outward second state of applanation are processed to provide a final reported intra-ocular pressure value that is substantially without error due to corneal thickness effects.

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