What is the additional mean IOP reduction of beta-blockers?

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Multiple Choice

What is the additional mean IOP reduction of beta-blockers?

Explanation:
When beta-blockers are added to an ongoing glaucoma regimen, the typical extra drop in intraocular pressure is about 3 mmHg. This incremental effect comes from the different action of beta-blockers (reducing aqueous humor production) compared with other agents (like prostaglandin analogs) that mainly boost outflow. Because the main therapy already lowers pressure, the additional benefit from the beta-blocker tends to be smaller, averaging around 3 mmHg, though individual responses vary. Other values would overstate the average add-on effect in most patients.

When beta-blockers are added to an ongoing glaucoma regimen, the typical extra drop in intraocular pressure is about 3 mmHg. This incremental effect comes from the different action of beta-blockers (reducing aqueous humor production) compared with other agents (like prostaglandin analogs) that mainly boost outflow. Because the main therapy already lowers pressure, the additional benefit from the beta-blocker tends to be smaller, averaging around 3 mmHg, though individual responses vary. Other values would overstate the average add-on effect in most patients.

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