Theoretic investigations often precede practical successes. Sometimes, however, it is a long time before a thorough theoretic basis and an exhaustive explanation for practical successes are available. Such is the case when one tries to explain the results obtained with iridectomy and with the operation of Elliot or that of Heine.
Ophthalmologists are right in associating the reduction of intraocular tension with the structure of the filtration pillow and the postoperative cicatrix, because this is the most essential point for the solution of the problem.
However, a number of details in the structure of the pillow and cicatrix have escaped the attention of those investigators who tried to solve the problem by the macroscopic method. The same thing happened to those who approached this question with only the microscopic method.
The third method of investigation which is now available is macromicroscopy, e. i., biomicroscopy. This new method enables one to
ARCHANGELSKY T. BIOMICROSCOPY OF CICATRICES AFTER IRIDECTOMY AND THE OPERATION OF ELLIOT OR OF HEINE. Arch Ophthalmol. 1939;21(4):598–601. doi:10.1001/archopht.1939.00860040036003
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