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Dr. Carlton Yuen & Dr. Jason Tokunaga

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 What is Glaucoma?

 

Glaucoma is a group of diseases that damage the eye’s optic nerve and can result in vision loss and blindness. However, with early detection and treatment, you can often protect your eyes against serious vision loss.

Glaucoma Symptoms

At first, open-angle glaucoma has no symptoms. It causes no pain. Vision stays normal. Glaucoma can develop in one or both eyes.

 

Without treatment, people with glaucoma will slowly lose their peripheral (side) vision. As glaucoma remains untreated, people may miss objects to the side and out of the corner of their eye. They seem to be looking through a tunnel. Over time, straight-ahead (central) vision may decrease until no vision remains.

 

 Normal Vision                                                          Vision Affected By Glaucoma

 

How is glaucoma detected?

Glaucoma is detected through a comprehensive dilated eye exam that includes the following:

  • Visual acuity test. This eye chart test measures how well you see at various distances.
  • Visual field test. This test measures your peripheral (side vision). It helps your eye care professional tell if you have lost peripheral vision, a sign of glaucoma.
  • Dilated eye exam. In this exam, drops are placed in your eyes to widen, or dilate, the pupils. Your eye care professional uses a special magnifying lens to examine your retina and optic nerve for signs of damage and other eye problems. After the exam, your close-up vision may remain blurred for several hours.
  • Tonometry is the measurement of pressure inside the eye by using an instrument called a tonometer. Numbing drops may be applied to your eye for this test. A tonometer measures pressure inside the eye to detect glaucoma.
  • Pachymetry is the measurement of the thickness of your cornea. The staff applies a numbing drop to your eye and uses an ultrasonic wave instrument to measure the thickness of your cornea.

 

Can glaucoma be cured?

No. There is no cure for glaucoma. Vision lost from the disease cannot be restored which is why early detection is key in glaucoma management.

 

Glaucoma Treatment

 

Dr Yuen and Dr Tokunaga offer the following solutions:

  • Medications
  • Selective Laser Trabeculoplasty (SLT)
  • Trabeculectomy Surgery
  • Glaucoma Tube Shunt Surgery