Understanding Glaucoma Medications (cont.)
IN THIS ARTICLE
Miotics are eye drops that stimulate the parasympathetic nervous system causing the pupil of the eye to become smaller. They reduce intraocular pressure by increasing the outflow of eye fluids from the eye and they are usually used to reverse angle-closure glaucoma or prevent angle-closure in eyes with narrow chamber angles. Pilocarpine (one of the miotics) has been used for almost 150 years for the treatment of glaucoma. It is rarely utilized today to treat open-angle glaucoma.
Miotic drops include pilocarpine (Ocusert Pilo-40, Pilocar, Pilagan, Piloptic, Pilostat), carbachol (Carbastat, Carboptic, Isopto Carbachol, Miochol and Miostat Intraocular), and echothiophate iodide ophthalmic (Phospholine Iodide).
Who should not use these medications:
Drug or food interactions: If administered with prostaglandin eye drops, wait at least 10 minutes -- preferably, 1 hour -- between applying the two drugs.
Side effects: Miotics should be used with caution in persons with corneal abrasion(s) and in those with a history of retinal detachment.
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While any type of glaucoma can be unilateral, primary open-angle glaucoma, primary angle-closure glaucoma, primary infantile glaucoma, juvenile-onset glaucoma, and pigmentary glaucoma are generally bilateral diseases, the severity of which may be asymmetric in the two eyes.