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BrightFocus Insights on Glaucoma

Brain illustration

Is Glaucoma a Brain Disease?

Learn about the connections between glaucoma and the brain, and explore research that is seeking answers to the following questions: Can pressure inside the brain influence glaucoma? Do changes in the retinal cells affect the brain? Is there a connection between glaucoma and Alzheimer's disease? Read more.

Posted: June 2015

Eye Illustration

The Eye: A Window to Your Health

Without even reporting on your medical history, your eye doctor can learn a lot about your general health just by examining your eyes. Read more.

Posted: May 2015

Illustration depicting the eye, optic nerve, and brain

Optic Nerve Regeneration

Learn about the possibilities for regeneration of the optic nerve. Such an achievement may one day restore vision for those living with glaucoma. Read more.

Posted: April 2015

Myths and Facts Graphic

Five Common Myths About Glaucoma

Learn the facts concerning five common glaucoma myths. Read more.

Posted: March 2015

Photo of woman applying eye drops

The Top 10 Tips for Using Glaucoma Eye Drops

Learn helpful tips and tricks to properly apply eye drops for glaucoma. Read more.

Posted: February 2015

Photo of the Eye

A Guide to Finding the Right Eye Doctor

There are many health professionals trained to take care of your eyes. This article provides a brief description of three major types you may find in your community. Read more.

Posted: January 2015

Glaucoma in the African American and Hispanic Communities

African Americans and Hispanics are at increased risk of developing glaucoma. Find out why and learn about important steps that can prevent vision loss from this eye disease. Read more.

Posted: January 2015

Photo depicting the loss of vision from glaucoma.

Optic Nerve Degeneration

Glaucoma is actually a group of diseases, but the common feature among all types of glaucoma is optic nerve degeneration. Much like Alzheimer’s disease is a neurodegenerative disease of the brain, glaucoma is considered a neurodegenerative disorder of the optic nerve. Read more.

Posted: December 2014

Illustration of the brain and the eye.

Alzheimer’s Disease and Glaucoma: Is There a Connection?

Is there a higher frequency of glaucoma in patients with Alzheimer’s disease? Are glaucoma patients at greater risk for Alzheimer’s? This article looks at the latest research exploring possible connections between these diseases of mind and sight. Read more.

Posted: November 2014

Illustration depicting eye pressure in the

Normal-Tension Glaucoma

Normal-tension glaucoma (NTG) is very similar to primary open-angle glaucoma except that damage to the optic nerve occurs even though eye pressure is not elevated. Learn about the symptoms, diagnosis, and treatment of NTG. Read more.

Posted: October 2014

Eye illustration depicting elevated eye pressure

Ocular Hypertension and Glaucoma

Ocular hypertension is a condition in which the measured eye pressure is consistently greater than “normal." However, there is no obvious damage to the optic nerve as detected by an eye examination, optic nerve imaging, or evidence of visual field change. In other words, there is no evidence of glaucoma yet. Read more.

Posted: September 2014

Man Having an Image Taken of His Optic Nerve

Glaucoma: Understanding Optic Nerve Imaging

Optic nerve imaging provides an objective test to diagnose and follow the progression of glaucoma, and the technology has undergone tremendous advancements over the last decade. Read more.

Posted: August 2014

Visual Field Test Machine

Glaucoma: Understanding the Visual Field Test

One of the key tests that your eye doctor will perform as part of the diagnosis for glaucoma is the visual field test, which is repeated periodically to determine if the disease is stable or getting worse. Read more.

Posted: July 2014

Image of a Laser focused on the Eye

Peripheral Iridotomy: A Laser Procedure for Narrow Angles

In angle-closure glaucoma or in patients at risk for this condition, laser iridotomy is the preferred method of treatment. Learn more about this procedure. Read more.

Posted: June 2014

Glaucoma Surgeon

Glaucoma Surgery Series

Minimally Invasive Glaucoma Surgeries (MIGS)

One of the new and exciting prospects in the treatment of glaucoma is called MIGS, or Minimally Invasive Glaucoma Surgeries. These procedures are exciting from a patient’s perspective because they are generally safer with quicker recovery times. Read more.

Posted May 2014


Tube Shunts: A New Drainage Device for Glaucoma

One of the newer types of surgery, a tube shunt, is a flexible glaucoma drainage device that is implanted in the eye to divert aqueous humor (the fluid inside the eye) from the inside of the eye to an external reservoir. Read more.

Posted: April 2014



Trabeculectomy is a standard surgery for lowering pressure inside the eye when medical treatments or laser surgery have failed to bring the eye pressure low enough. Read more.

Posted: March 2014


The Risks and Benefits of Glaucoma Surgery

Glaucoma treatment usually begins with medications or laser techniques, but when these have failed or are not tolerated, your ophthalmologist may suggest surgical procedures. Glaucoma surgery has its own special uses, advantages, and disadvantages. In this article we will discuss the risks and benefits of glaucoma surgery. Read more.

Posted: February 2014

Photo of an Eye

Laser Procedures for Glaucoma

Laser surgery is often used in open-angle glaucoma (the most common form of this eye disease) when medications do not work, are unlikely to work, or produce intolerable side effects. In some patients, laser surgery may be the first mode of therapy if eye drops are not practical or are unlikely to be used properly. Read more.

Posted: January 2014

Fruits and Vegetables

Is There a Connection Between Diet and Glaucoma?

Many people often wonder whether there are any diet or lifestyle changes they can make in order to take better care of themselves and their glaucoma. This article explores the current research concerning caffeine, alcohol, antioxidants, supplements, and more. Read more.

Posted: December 2013

Marijuana Leaf

Glaucoma and Marijuana: What You Need to Know

Marijuana, or Cannabis sativa, has been known to lower intraocular pressure (IOP) since the 1970s. The active component of marijuana, Δ9-tetrahydrocannabinol (THC), has been shown to lower IOP in animals and humans and in various formulations, including inhaled, oral, intravenous, sublingual, and topical. This article will address the reasons why marijuana is not recommended for the treatment of glaucoma. Read more.

Posted: November 2013

Woman Having an Eye Pressure Test

The Ophthalmology Eye Exam for Glaucoma

In order to avoid irreversible visual debilitation from glaucoma, it is important to have your eyes examined by an eye doctor, especially if you carry some of the known risk factors, such as family history of the disease. It is crucial to have some basic understanding of the tests for glaucoma so that you can make an informed decision about your treatment options under the guidance of your doctor. Some of the tests are outlined in this article. Read more.

Posted: October 2013

Doctor Talking with a Glaucoma Patient

What is a Glaucoma "Suspect"?

A glaucoma suspect usually comes to the attention of an eye doctor for several reasons: the eye pressure is found to be elevated above “normal,” there is a strong family history of glaucoma, or the optic nerves have an appearance that is suspicious. It is also possible for a patient to be called a glaucoma suspect due to the presence of several risk factors. However, a definitive diagnosis of glaucoma is often made over time, since most forms of glaucoma are slowly progressing. Read more.

Posted: September 2013

The information provided here is a public service of the BrightFocus Foundation and should not in any way substitute for personalized advice of a qualified healthcare professional; it is not intended to constitute medical advice. Please consult your physician for personalized medical advice. BrightFocus Foundation does not endorse any medical product or therapy. All medications and supplements should only be taken under medical supervision. Also, although we make every effort to keep the medical information on our website updated, we cannot guarantee that the posted information reflects the most up-to-date research.

These articles do not imply an endorsement of BrightFocus by the author or their institution, nor do they imply an endorsement of the institution or author by BrightFocus.

Some of the content may be adapted from other sources, which will be clearly identified within the article.

Last Review: 09/01/13

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