Illuminating system of ophthalmological instrument

Details Illuminating system of ophthalmological instrument Illuminating system of ophthalmological instrument

1988-02-24

1990-06-12

Dzierzynski, P. M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351214, A61B 310

Patent

active

049327747

ABSTRACT:
An illuminating system of an ophthalmological instrument has a coaxial illuminating system for effecting a coaxial illumination by projecting an observation-use illuminating light toward an eye to be tested from a direction generally parallel with an optical axis of through an objective lens of an observing optical system, FIGS. 1A and 1B each illustrated an oblique illuminating system branched from the coaxial illuminating system and adapted to effect an oblique illumination by projecting the observation-use illuminating light toward the eye from an oblique direction different from the coaxial illumination, and an optical path switching optical member disposed in an intermediate part of an optical path of the coaxial illuminating system and adapted to switch the coaxial illumination to the oblique illumination or vice versa.

REFERENCES:
patent: 3944343 (1976-03-01), Mueller, Jr.
patent: 4265518 (1981-05-01), Matsumura
patent: 4411502 (1983-10-01), Lang et al.

Affiliated with

Also associated with

Rating

Illuminating system of ophthalmological instrument does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Illuminating system of ophthalmological instrument, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Illuminating system of ophthalmological instrument will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-613433