Patent · US Active

Method and apparatus for the measurement of the refraction index of a hydrogel contact lens

US10859465B2 · kind B2 · utility

0Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 2019
Grant dateDec 8, 2020
Priority date—
Expiry dateDec 10, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01M11/0228
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention is generally directed to an apparatus and a method for measuring a refractive index of a soft contact lens under a consistent pressure.

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