Patent · US Expired

Ophthalmological instrument for examination of anterior and posterior portions of the eye

US4411502A · kind A · utility

11Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1980
Grant dateOct 25, 1983
Priority date
Expiry dateNov 12, 2000

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B3/135
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The invention contemplates an improved ophthalmological instrument wherein photo slit-lamp function (for anterior-chamber examination of an eye) are combined with fundus-camera functions (for posterior-chamber examination of the eye), with important advantages of manipulating convenience and reduced cost. The invention is disclosed (a) for the case of a photo slit-lamp accessory for use with an existing fundus camera and (b) for the case of a more compact new instrument to serve both functions.

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