OPHTALMOLOGY CLINIC

Glaucoma

Glaucoma

What is glaucoma?

Vision is the second most common eye disorder in the world that causes vision reduction. In order to protect the structure of the eyeball seen in the eye anatomy, there must be a certain pressure in the eye. In order to create this intraocular pressure, a fluid called aqueous humor is made in a region called ciliary body in the eye, and this fluid is thrown out of the area called the trabecular mesh and mixed into the vein. If the mentioned fluid production is more than normal or if there is a problem with the liquid in the eye coming out of the eye, the pressure inside the eye rises above the desired values. When this intraocular pressure rises enough to damage the nerve entering the eye, it is called glaucoma disease. While the standard level is seen as important for glaucoma above 21mmHg in many countries, glaucoma disease may start in some cases even with lower values such as 18-19mmHg.

 

When glaucoma is not treated, it causes progressive, irreversible vision reduction with the effect of intraocular pressure on the optic nerve. Since the visual nerve, the optic nerve, carries the image to the brain, the damage to the optic nerve will prevent the image from reaching the brain. If this condition is not treated, it can lead to a situation in which vision is lost over the years.

What is the cause of glaucoma?

In the eye, the fluid called aqueous humor is produced in a place called the ciliary body and is thrown out of the eye through filters called trabecular mesh. The distress in the circulation of this aqueous humor fluid causes an increase in pressure within the eye and the intraocular pressure increases, causing glaucoma. The most common problem in aqueous humor circulation is the occlusion of the filters called trabecular mesh. In this case, aqueous humor fluid is made, but the intraocular pressure increases over time because there is difficulty in getting out of the eye. There is no clear information about why this filter is clogged.

There is a possibility of family inheritance, and it is very important that people with glaucoma in their family should have an eye doctor check-up every 6 months. In addition, the intraocular pressure may increase and damage the optic nerve due to reasons specific to the types of glaucoma, which we will mention less frequently.

How is it diagnosed?

With the examination of your ophthalmologist, glaucoma is suspected by detecting the decrease in your visual level, measuring the intraocular pressure with the air sent to the front of the eye, and dilating the pupil with drops, and measuring the optic nerve, ie the dimple in the optic nerve, in the fundus examination. Further examinations are made with this suspicion. The visual field test shows us the area that our eyes can see in the environment while looking at a fixed point rather than our visual field level, which is a very important finding in terms of glaucoma.

How is glaucoma treated?

Glaucoma can be treated with eye drops, pills, laser surgery, traditional surgery or a combination of these methods. The goal of any treatment is to prevent loss of vision, as vision loss from glaucoma is irreversible. The good news is that glaucoma can be managed if detected early, and that with medical and/or surgical treatment, most people with glaucoma will not lose their sight.


Taking medications regularly, as prescribed, is crucial to preventing vision-threatening damage. That is why it is important for you to discuss side effects with your doctor. While every drug has some potential side effects, it is important to note that many patients experience no side effects at all. You and your doctor need to work as a team in the battle against glaucoma.

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