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Home » Eye Care Services In Cincinnati » Eye Disease Management » Glaucoma Testing and Treatment

Glaucoma Testing and Treatment

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What Is a Glaucoma Test?

Glaucoma is the generalized name for a group of eye diseases that damage the optic nerve of the eye, preventing the eye from sending accurate visual information to the brain. Glaucoma tests are designed to test your eyes for one of the key symptoms of the disease—increased eye pressure—however only a comprehensive eye exam can reveal whether or not you have glaucoma. Increased pressure inside the eye is often a key indicator of glaucoma, though not exclusively so. Eye doctors can use a number of tests for eye pressure, but will, by default, check for signs of glaucoma as part of a detailed examination of the retina—the light sensitive area at the back of the eye responsible for processing images.

How Does Glaucoma Testing Work?

A glaucoma test is usually part of a routine eye exam. Both types of glaucoma tests measure internal pressure of the eye.

One glaucoma test involves measuring what happens when a puff of air is blown across the surface of the eye. (A puff test) Another test uses a special device (in conjunction with eye-numbing drops) to “touch” the surface of the eye to measure eye pressure.

While increased eye pressure is a key indicator of the disease, it does not necessarily mean you have a glaucoma diagnosis. In fact, the only way to detect glaucoma is to have a detailed, comprehensive eye exam that often includes dilation of the pupils.

So “true” glaucoma testing actually involves examining the retina and optic nerve at the back of the eye for signs of the disease.

Glaucoma Treatment

Depending on the severity of the disease, treatment for glaucoma can involve the use of medications, conventional (bladed) surgery, laser surgery or a combination of these treatments. Medicated eye drops aimed at lowering IOP usually are tried first to control glaucoma.

Because glaucoma is often painless, people may become careless about strict use of eye drops that can control eye pressure and help prevent permanent eye damage. In fact, non-compliance with a program of prescribed glaucoma medication is a major reason for blindness resulting from glaucoma.

If you find that the eye drops you are using for glaucoma are uncomfortable or inconvenient, never discontinue them without first consulting your eye doctor about a possible alternative therapy.

All glaucoma surgery procedures (whether laser or non-laser) are designed to accomplish one of two basic results: decrease the production of intraocular fluid or increase the outflow (drainage) of this same fluid. Occasionally, a procedure will accomplish both.

Currently the goal of glaucoma surgery and other glaucoma therapy is to reduce or stabilize intraocular pressure (IOP). When this goal is accomplished, damage to ocular structures – especially the optic nerve – may be prevented.

Frequently Asked Questions about Glaucoma

Q: Why do I need routine eye exams for glaucoma if I don’t have it?

A: Usually when people are in the early stages of glaucoma they start to lose their peripheral vision but it’s not noticed by the person because when one eye loses peripheral vision, the other eye (which does not have glaucoma) will compensate for this, and the person doesn’t even feel or see that they are missing any peripheral vision. Exactly for this reason, glaucoma is considered the “silent thief of sight”.

People just don’t feel or notice anything until they are already past mid-stage glaucoma. Only in mid-stage glaucoma people start to notice changes. There are no symptoms until mid-stage, when they may notice they have more tunnel vision. The early stages of glaucoma can only be detected by your optometrist or ophthalmologist during an eye exams.

Q: At what age should we watch out for glaucoma?

A: Glaucoma can start at any age. Generally speaking, the age group of most concern is 60 years and older, but anyone can get glaucoma.

Q: Is there something I can do to prevent getting glaucoma?

Glaucoma is not preventable, as far as we know. There really aren’t any precautions to take or things to avoid to prevent it. It’s a matter of genetics.

 

Special thanks to the EyeGlass Guide for informational material that aided in the creation of this website. Visit the EyeGlass Guide today!

 

Your Cincinnati, OH optometrist will also check for signs of macular degeneration as part of your comprehensive eye exam.