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Eye Care
Take the Glaucoma Quiz

Definition

Take the Glaucoma Quiz

Glaucoma is a group of diseases that can damage the eye's optic nerve. This damage can lead to vision loss and blindness. But with early treatment, you can often protect your eyes against serious vision loss.

1. In most forms of glaucoma, what damages the optic nerve?

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In most forms of glaucoma, the pressure inside the eye (intraocular pressure) rises because the eye's drainage canals become blocked or don't work correctly. The pressure inside the eye rises if the fluid cannot flow out of the eye. This increased pressure can damage the optic nerve and lead to vision loss and blindness.

A. Eyestrain from reading in a darkened room
B. Too much pressure on the optic nerve
C. Too little pressure on the optic nerve
D. Not wearing prescription glasses

2. The most common form of glaucoma is called open-angle glaucoma. What does "open-angle" refer to?

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The ocular fluid leaves the eye through the open angle where the cornea and iris meet. When the fluid reaches the angle, it flows through a spongy network similar to a drain, the National Eye Institute (NEI) says. If the angle is not working correctly, pressure inside the eye may rise and damage the optic nerve.

A. The area of the eye where ocular fluid drains
B. The area of the eye that focuses images
C. The area of the eye that controls peripheral vision
D. None of the above

3. If the pressure inside your eye is higher than normal, you:

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Increased pressure in the eye means you are at risk for glaucoma, the NEI says. But it doesn't mean you have glaucoma. Glaucoma is diagnosed when damage has occurred to the optic nerve. Not every person with increased pressure develops glaucoma. The pressure that causes damage may be different for each person.

A. May have glaucoma
B. May be at risk for glaucoma
C. Need eyeglasses
D. A and B

4. If your eye pressure is normal, you:

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You can develop glaucoma even with normal eye pressure. This form of glaucoma is called low-tension or normal-tension glaucoma. This type of glaucoma shows why it is so important to have a complete eye exam to detect glaucoma. A pressure measurement alone is not enough.

A. May not have glaucoma
B. May have glaucoma
C. Don't need eyeglasses
D. A or B

5. What are the symptoms of angle-closure glaucoma?

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Angle-closure glaucoma is a medical emergency. The fluid in the front area of the eye cannot reach the angle to drain out of the eye because it is blocked by part of the iris. Eye pressure increases suddenly. This causes severe pain and nausea, redness of the eye, and blurred vision, the NEI says. Seek medical help right away if you have any of these symptoms. Angle-closure glaucoma can cause blindness if not treated. It is more common in people of Asian descent and in people who are far-sighted, according to the Glaucoma Foundation.

A. Pain
B. A red eye
C. Blurred vision
D. All of the above

6. Which of these groups is at risk of developing open-angle glaucoma?

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Anyone can develop glaucoma, but some people are at higher risk than others, the NEI says. A few of the most important risk factors are increasing age, race, and family history.

A. People older than 60
B. African Americans
C. People with a family history of glaucoma
D. All of the above

7. Which of these is an early symptom of open-angle glaucoma?

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People with early open-angle glaucoma do not have symptoms. That is why this type of glaucoma is sometimes called “the silent thief of vision.” Vision remains normal, and the eyes feel normal. As this form of glaucoma gets worse, a person gradually loses peripheral vision until objects appear to be seen through a tunnel. Then that central vision decreases until it is gone. Glaucoma can develop in one or both eyes.

A. Blurry vision
B. Tearing eyes
C. Burning eyes
D. No symptoms

8. How is glaucoma detected?

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A thorough eye exam is important in detecting glaucoma. This exam includes dilating your eyes and looking at the optic nerve, which is damaged in glaucoma. A visual field test measures your peripheral vision, which is lost in glaucoma. Tonometry measures the pressure inside your eye. Pachymetry measures the thickness of your cornea, which can affect the eye pressure measurement.

A. Dilated eye exam
B. Visual field test
C. Tonometry test
D. Pachymetry test
E. All of the above

9. How is glaucoma treated?

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Whatever the treatment, the earlier it is begun, the better the chance of retaining normal vision. One drawback to medicines is that they may have unpleasant side effects. Because glaucoma often has no symptoms in its early stages, people with glaucoma may be tempted to stop taking the medicine. Medicine can be used to reduce the amount of fluid made or increase the rate at which fluid leaves the eye. Laser trabeculoplasty is laser surgery that helps fluid drain from the eye. If medicine and laser surgery don't work, conventional surgery also may be used to create an opening for the fluid to drain.

A. Laser trabeculoplasty
B. Medicine
C. Surgery
D. All of the above

10. How can you reduce the damage from glaucoma?

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Visit your eye care provider regularly for a dilated eye exam in order to find the disease early. If you are diagnosed with glaucoma, take your medicines and follow up with your eye doctor regularly. Have periodic checkups including pressure measurements, visual field tests, and examination of your optic nerve. These are needed to make sure your treatment is working. Contact your eye care provider right away if you have any vision changes. If you have glaucoma, make sure your family members get checked. Family history is one of the biggest risk factors for developing glaucoma.

A. Visit an eye doctor regularly
B. Take your glaucoma medicines
C. Get family members checked for glaucoma
D. All of the above

Your score was:

Author: Sinovic, Dianna

Online Medical Reviewer: Haupert, Christopher L, MD

Online Medical Reviewer: Novick, Tara BSN MSN

Online Medical Reviewer: Seltman, Wendy MD

Date Last Reviewed: 09/01/2022

© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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