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Abstract

A lens positioning device for indirect biomicroscopy of a patient's eye and which is adapted to mount a condensing lens in readily adjustable relationship to the patient's eye, for evaluation of for instance the fundus of the eye with the biomicroscope, and with the device being adapted to be readily attached to one of the chin rest vertical bars of the slit lamp biomicroscope. The device comprises a plurality of movable arms for positioning of the lens relative to the eye, with adjustable fasteners for selectively tightening or loosening the tension thereof and thus the resistance to pivotal movement of the arms relative to one another, so as to be able to selectively increase or decrease the resistance to relative movement between the arms, to accommodate the particular desires of the examiner. Once the device is positioned by the examiner to obtain the desired position of the lens relative to the eye of the patient, the lens remains in such position and frees the hand of the examiner to manipulate the slit lamp biomicroscope.

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First Claim