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Glaucoma is recognized as a progressive optic neuropathy and a leading cause of irreversible blindness worldwide. While intraocular pressure (IOP) is considered the only modifiable risk factor, current medical treatments are challenged by issues such as inadequate IOP control and ocular side effects. Rho kinase (ROCK) inhibitors have been developed as a novel pharmacologic class targeting the trabecular meshwork to enhance conventional aqueous humor outflow. In this review, the pharmacokinetics and IOP-lowering efficacy of key ROCK inhibitors are summarized. Beyond IOP reduction, ROCK inhibitors exhibit neuroprotective, anti-inflammatory, antifibrotic, and ocular perfusion-enhancing effects. Finally, we analyzed the limitations and future prospects of ROCK inhibitors in the management of glaucoma.
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