Patent · US Expired

Ophthalmic apparatus

US6257722A · kind A · utility

66Cited by
6References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 31, 2000
Grant dateJul 10, 2001
Priority date
Expiry dateMay 31, 2020

Classification

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

Abstract

An ophthalmic apparatus comprises an ophthalmic device having an observation optical system for observing a patient's eye and treating or examining the patient's eye, a moving device for relatively moving the ophthalmic device relative to the patient's eye, a photographing optical system including a plurality of photoelectric photographing elements for photographing the patient's eye, image capturing device which captures image signals of different ranges from the plurality of photoelectric photographing elements to obtain supplemental image data, a detecting device which analyzes the obtained image data to detect a position of the patient's eye, and a control device which controls the moving device based on the results detected by the detecting device to move the ophthalmic device to a desired position relative to the patient's eye.

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