• The effect of pilocarpine hydrochloride on the anterior chamber depth and lens thickness was measured in 20 eyes of patients with chronic open-angle glaucoma who were receiving long-term glaucoma therapy with pilocarpine. Measurements were made with high-resolution ultrasonic biometry. This study demonstrated that regardless of their age (58.4 years, average) and the fact that they had been regularly using pilocarpine from two to four times a day, 85% of these patients demonstrated narrowing of the anterior chamber (AC) depth (average, 0.19 mm) and thickening of the lens (average, 0.21 mm) with each instillation of pilocarpine. In approximately 15% of eyes, a repeatable deepening of the AC depth and flattening of the lens was noted.
Abramson DH, Chang S, Coleman DJ. Pilocarpine Therapy in Glaucoma: Effects on Anterior Chamber Depth and Lens Thickness in Patients Receiving Long-Term Therapy. Arch Ophthalmol. 1976;94(6):914–918. doi:10.1001/archopht.1976.03910030454002
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