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For twelve years I have found the Shahan thermophore the most satisfactory means of applying heat to various superficial parts of the eye, because of the accuracy of temperature regulation with this instrument. However, the conductors designed for the original instrument were somewhat awkward to apply, as the entire instrument had to be balanced in a vertical position.
Two years ago I had several conductors made with curved tips which were found to have a number of advantages. The instrument is more easily applied from a horizontal position; the curved tip allows better observation of the region to which it is applied, and it is possible on account of the curvature of the tip to reach areas inaccessible with the straight tip, as in treating retinal separations.
Whalman HF. NEWLY DESIGNED THERMOPHORE CONDUCTORS. Arch Ophthalmol. 1940;23(2):380. doi:10.1001/archopht.1940.00860130418012
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