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What are some causes of excess pressure in the eyes?

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Excessive buildup of aqueous humor may cause too much pressure in the eye, according to WebMD. Certain eye diseases may also cause high pressure in the eye. Normal eye pressure reads between 10 and 21 millimeters of mercury. An eye pressure reading that scales above 21 millimeters of mercury indicates ocular hypertension. Medical tests, including gonioscopy, may be done to rule out glaucoma.

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Full Answer

Fluid in the eyes drains into the aqueous chamber via tissue known as trabecular meshwork, according to Mayo Clinic. Drainage channels that don't function properly lead to variance in the production and drainage of aqueous humor, explains WebMD. This is because the fluid cannot drain at the same rate as it is produced. Elevated amount of fluid in the eyes typically causes eye pressure to increase. If not monitored, high intraocular pressure may lead to damage of the optic nerve, causing glaucoma.

Ocular hypertension rarely causes symptoms, so frequent visits to an ophthalmologist may help determine eye problems, including optic nerve damage. African-Americans and people who are above 65 years are likely to suffer from ocular hypertension. Eye pressure that worsens even with frequent visits to the doctor, cloudy vision, halos and eye pain may make your doctor start treatment. Certain prescription medications may aid in reducing the symptoms.

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