Common Eye Conditions

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Glaucoma

Glaucoma is the second leading cause of blindness in the world, behind only cataracts. However, glaucoma is the leading cause of irreversible blindness and visual impairment in the United States and around the world.

Glaucoma can affect patients of all ages, many of whom do not experience any symptoms and may not be aware that they have the disease. A simple, painless eye exam can detect the disease. With early detection and treatment, glaucoma can usually be controlled and blindness prevented.

Glaucoma actually refers to a group of diseases that cause damage to the optic nerve as a result of increased pressure within the eye, but can also be caused by a severe eye infection, injury, blocked blood vessels or inflammatory conditions of the eye.

There are two main types of glaucoma: open-angle and angle-closure. Open-angle glaucoma is the most common type of glaucoma and involves fluid in the eye not draining properly. Angle-closure glaucoma involves a sudden buildup of pressure in the eye and poor drainage because the angle between the iris and the cornea is too narrow.

Many patients do not experience any symptoms during the early stages of glaucoma, including no pain and no vision loss. This makes it difficult for many patients to know if they have the disease. But as glaucoma progresses, patients may experience a loss of peripheral or side vision, along with sudden eye pain, headache, blurred vision or the appearance of halos around lights.

Diagnosing Glaucoma

While some patients may experience symptoms from glaucoma as the disease progresses, others do not learn they have the condition until they undergo a routine eye exam. There are several different exams performed to diagnose glaucoma, including a visual field and visual acuity test. These tests measure peripheral vision and how well patients can see at various distances. Other tests will also be performed, such as tonometry to measure the pressure inside the eye and pachymetry to measure the thickness of the cornea.

Treatment for Glaucoma

Once glaucoma has been diagnosed, treatment should begin as soon as possible to help minimize the risk of permanent vision loss. There is no cure for glaucoma, so treatment focuses on relieving symptoms and preventing further damage from occurring. Most cases of glaucoma can be treated with eye drops, laser or microsurgery. The best treatment for your individual case depends on the type and severity of the disease, and can be discussed with your doctor.

Eye drops are used to reduce fluid production in the front of the eye or to help drain excess fluid. Laser surgery for glaucoma aims to increase the outflow of fluid from the eye or eliminate fluid blockages through laser trabeculoplasty, iridotomy or cyclophotocoagulation.

Microsurgery involves a surgical procedure called a trabeculectomy, which creates a new channel to drain fluid from the eye and reduce the pressure that causes glaucoma. Surgery is often performed after medication and laser procedures have failed.

Preventing Glaucoma

While there are no surefire ways to prevent glaucoma from developing, regular screenings and early detection are the best forms of protection against the harmful damage that the disease can cause. While anyone can develop glaucoma, some people are at a higher risk for developing disease. These people may include those who have/are:

  • At least 45 years old without regular eye exams
  • African American descent
  • A family history of glaucoma
  • Diabetes
  • Auto-immune disease
  • History of migraine headaches
  • History of low blood pressure
  • Nearsightedness
  • Previous eye injury
  • A thin cornea
  • Regular, long-term use of cortisone/steroid products

At Eye Care Medical Group, we also employ OCT technology which can detect nerve damage years before visual field loss. Along with visual field testing, OCT testing should be performed once a year for patients who have, or who are at risk in developing glaucoma.

Patients should have a comprehensive dilated eye exam once every year, especially if they have a higher risk of developing glaucoma. Older patients may be encouraged to be tested more frequently.

Please contact our office directly at 831-476-1298 to schedule an appointment, or for more information about our services click here.

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      Allaman Eye Care Medical Group
      1665 Dominican Way Suite 122
      Santa Cruz, CA 95065 MAP

      Tel: 831-476-1298
      Fax: 831-476-9468
      Optical Shop: 831-475-3345
      Optical Fax: 831-475-0733