Patent · US Active

Patient interactive fit tool and methodology for contact lens fitting

US9581835B2 · kind B2 · utility

0Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 2014
Grant dateFeb 28, 2017
Priority date
Expiry dateAug 16, 2034

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B3/028
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An interactive fit tool and methodology which may be utilized by an eye care professional to improve the efficiency and final outcome in selecting a pair of contact lenses targeted towards a specific patient visual need in the treatment of presbyopia. The interactive fit tool comprises an application which includes images that would allow a patient to decide if he or she desires balanced visual acuity, near biased visual acuity, or distance biased visual acuity. In addition, the interactive fit tool comprises fit guide tables and performs the calculations for vertex distance and spherical equivalent.

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