Image rotating means for eye refractometers

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

351214, 351205, A61B 310

Patent

active

043670199

ABSTRACT:
Eye refractometer including a target projecting optical system for projecting a target image on the retina of a patient's eye, and an observing optical system for observing the target image. An image rotator is provided for rotating the target image to thereby locate the astigmatic axes. The image rotator is associated with a rotating mechanism which includes an actuating member for producing a stepless rotation of the image rotator and a second member for rotating the first member by an angle corresponding to a 90.degree. rotation of the target image.

REFERENCES:
patent: 4125320 (1978-11-01), Rassow et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Image rotating means for eye refractometers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image rotating means for eye refractometers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image rotating means for eye refractometers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1580555

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.