What is the difference between eye pressure and glaucoma?

Eye pressure, also called intraocular pressure (IOP), is just a measurement of the fluid pressure inside the eye. Glaucoma is a disease that damages the optic nerve, often linked to high eye pressure but not always.

What is the difference between glaucoma and a normal eye?

A normal eye has a healthy optic nerve and normal fluid pressure. In glaucoma, the optic nerve is damaged, leading to gradual vision loss—often starting with peripheral vision.

Can you have glaucoma if eye pressure is normal?

Yes. This is called normal-tension glaucoma, where optic nerve damage happens even though eye pressure is within the normal range.

Can glaucoma cause vertigo?

Glaucoma usually does not cause vertigo or dizziness. However, sudden increases in eye pressure (like in acute angle-closure glaucoma) can cause headaches, nausea, and blurred vision.

Can eye pressure increase without glaucoma?

Yes. Some people have ocular hypertension—elevated eye pressure without optic nerve damage. They don’t have glaucoma yet, but they are at higher risk of developing it.

What is the danger zone for eye pressure?

Normal eye pressure is usually between 10–21 mmHg. Anything consistently above 21 mmHg is considered high and may increase glaucoma risk.

How much eye pressure is normal?

A normal range is 10 to 21 mmHg. But 'normal' can vary for each person, and some people develop glaucoma even within this range.

What is the fastest way to bring down eye pressure?

Doctors use eye drops, oral medication, or laser treatment to quickly lower pressure. You should never try to self-treat—emergency cases need immediate medical care.

Is there a link between blood pressure and eye pressure?

Yes. High blood pressure can sometimes raise eye pressure, while very low blood pressure may worsen optic nerve damage in glaucoma.

Can exercise help lower eye pressure?

Moderate aerobic exercise (like walking, jogging, or cycling) can help reduce eye pressure. However, exercises like heavy weightlifting or inverted yoga poses may raise eye pressure.

Which vision is usually lost in glaucoma?

Glaucoma typically starts with loss of peripheral (side) vision. Central vision is affected later in advanced stages.

What is mistaken for glaucoma?

Conditions like ocular hypertension, cataracts, migraines, or optic neuropathies can sometimes mimic glaucoma symptoms. A detailed eye exam is the only way to confirm.

What is the difference between high eye pressure and glaucoma?

High eye pressure is just a risk factor. Glaucoma is diagnosed when there is optic nerve damage and vision loss.

Can you live with glaucoma without going blind?

Yes. With early diagnosis, regular treatment, and follow-ups, many people with glaucoma maintain useful vision throughout their lives.

What is normal eye pressure after cataract surgery?

After cataract surgery, eye pressure may fluctuate briefly. Most patients stabilize within the normal range of 10–21 mmHg after healing.

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