Is glaucoma related to high blood pressure?

Nov 06, 2025 Source: Cainiu Health

Dr. Wang Shuai

Introduction

In general, whether glaucoma is related to hypertension depends on the specific circumstances. When hypertension is well controlled, it usually has no direct association with glaucoma. However, if hypertension remains uncontrolled over a long period, it may increase the risk of developing glaucoma or worsen its progression, which requires attention. To reduce the risk of interaction between the two conditions, strict blood pressure control in daily life is essential.

Generally speaking, whether glaucoma is related to high blood pressure depends on the specific circumstances. When hypertension is well controlled, it usually has no direct association with glaucoma; however, if high blood pressure remains uncontrolled over a long period, it may increase the risk of developing glaucoma or worsen existing conditions, which requires attention. The detailed analysis is as follows:

If patients with high blood pressure maintain their blood pressure within the normal range for a prolonged period through appropriate management, vascular conditions remain stable and there is no significant impact on aqueous humor circulation or intraocular pressure regulation, meaning there is no direct link to glaucoma. In such cases, routine monitoring of both eye health and blood pressure is sufficient.

When high blood pressure is poorly controlled over time, persistently elevated blood pressure may damage ocular blood vessels, impair blood supply to the eyes, and potentially disrupt aqueous humor circulation, leading to increased intraocular pressure. This can raise the likelihood of developing glaucoma or exacerbate the condition in those who already have it.

To reduce the risk of interaction between the two conditions, it is essential to strictly control blood pressure in daily life by consistently taking prescribed medications and adhering to a low-salt diet. At the same time, eye protection should be emphasized—avoiding prolonged eye strain and exposure to intense light—and regular eye examinations and blood pressure checks are recommended. Dual management helps maintain overall and ocular health.

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