Glaucoma can be inherited, and the incidence of glaucoma increases with age. You are at an increased risk of glaucoma if you:
The presence of high intraocular pressure can indicate an increased risk for glaucoma, but not necessarily that the disease is present. Not every individual with glaucoma has increased eye pressure, and not every individual with increased eye pressure has glaucoma, as some optic nerves are able to withstand higher intraocular pressure than others without sustaining damage. For example, glaucoma can occur in the presence of normal and even low intraocular pressure, and this is called low-tension or normal-tension glaucoma.
There are a few main types of glaucoma:
Glaucoma can also be caused by blunt force or chemical trauma to the eye, severe eye infection and inflammation, obstruction of intraocular blood vessels, and more rarely, surgery to correct another ocular condition.
Glaucoma often does not present with symptoms in the early stages of the disease.
If left untreated, glaucoma can cause complete loss of peripheral vision, resulting in tunnel vision.
The following tests are used for glaucoma detection within a comprehensive eye exam and subsequent follow-up:
Immediate treatment can slow the progression of early stage open-angle glaucoma, hence the importance of early detection.
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