THIS PAPER describes the clinical and pathological observations on the use of intraocular platinum implants in rabbit eyes and reports on the use of a platinum wire seton in two human eyes with glaucoma. The idea of using a foreign body as a method of making a drainage tract for the flow of aqueous in glaucoma is not new.
Troncoso1 in 1940, in an extensive article, reviewed the literature on intraocular implants. He reported his results on the implantation of magnesium experimentally in rabbit eyes and on the use of magnesium implants in 12 glaucomatous human eyes. The metal was inserted between the sclera and the ciliary body in the cyclodialysis operation with the object of preventing reattachment of the ciliary body to the sclera. His conclusions were as follows:
There was at first a mild reaction to the foreign body, with numerous bubbles of gas appearing in the