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August 1978

A Proposed Pilocarpine Therapeutic Test

Author Affiliations

From the Goldschleger Eye Institute, Chaim Sheba Medical Center, and the Sackler School of Medicine, Tel Aviv University (Drs Rothkoff and Blumenthal), and the Department of Ophthalmology, Soroka Medical Center, Beersheva, Israel (Drs Biedner and Biger).

Arch Ophthalmol. 1978;96(8):1380-1382. doi:10.1001/archopht.1978.03910060134008

• For the pilocarpine therapeutic test that we have devised, one drop (0.1 ml) of 2% pilocarpine hydrochloride (an arbitrarily chosen concentration) is instilled in the glaucomatous eye to be treated, and the intraocular pressure is measured hourly for four hours. If the IOP does not fall below 24 mm Hg, which is our chosen pressure limit, the response is considered to be inadequate therapeutically. Our study showed that if an inadequate therapeutic response is obtained, initiation of treatment with 2% pilocarpine is not indicated, since in patients with such a response, continued treatment with 2% pilocarpine will be ineffective in controlling IOPs on subsequent clinical visits. In only those cases of patients with an adequate response to the pilocarpine therapeutic test (with a fall in pressure below 24 mm Hg) was there the likelihood of having the glaucoma controlled with continued 2% pilocarpine treatment.

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