What is the mechanism of parasympathomimetics for glaucoma management?

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Multiple Choice

What is the mechanism of parasympathomimetics for glaucoma management?

Explanation:
The main concept is that parasympathomimetics lower intraocular pressure by increasing aqueous humor outflow. They stimulate muscarinic receptors on the ciliary muscle, causing contraction. This contraction changes the configuration of the trabecular meshwork and Schlemm’s canal, reducing resistance to drainage and allowing more aqueous humor to exit the eye. The result is a decrease in IOP. They achieve this by enhancing outflow rather than reducing production. Pilocarpine is a classic example.

The main concept is that parasympathomimetics lower intraocular pressure by increasing aqueous humor outflow. They stimulate muscarinic receptors on the ciliary muscle, causing contraction. This contraction changes the configuration of the trabecular meshwork and Schlemm’s canal, reducing resistance to drainage and allowing more aqueous humor to exit the eye. The result is a decrease in IOP. They achieve this by enhancing outflow rather than reducing production. Pilocarpine is a classic example.

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