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February 1940


Arch Ophthalmol. 1940;23(2):381. doi:10.1001/archopht.1940.00860130419013

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The eye dropper, to the ophthalmologist, has long been an unsatisfactory device. Although it is theoretically possible to instil drops without contaminating the eye dropper, practically the rate of contamination is rather high. Although solutions used for the eyes are not sterile, it is hoped that there are no virulent organisms in them as prepared by the druggist. If such an organism is introduced from a previous patient, serious consequences may result.

In order to obviate this possibility, several procedures have been adopted. Individual droppers, cleaned and sterilized in-between patients, and platinum wire loops, sterilized by flame, have been used. Cottontufted tooth picks, disposed of after use, have also been employed. The disadvantages of these procedures, as well as others too numerous to mention, are evident.

An inexpensive, disposable eye dropper was sought as a possible solution to the problem. As manufactured, it should be reasonably sterile, with little chance

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