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Glaucoma Screening and Testing

Glaucoma Detection: Screening and Diagnosis at Washington Eye Physicians & Surgeons

Early detection, through regular and complete eye exams, is the key to protecting your vision from damage caused by glaucoma. A complete eye exam includes various tests to accurately diagnose glaucoma. Please see the details on glaucoma screening below to get an idea of how thorough the diagnostic process is with Washington Eye Physicians & Surgeons. It is important to have your eyes examined regularly even if you do not possess early symptoms of glaucoma.

Get regular eye exams:

  • before age 40, every two to four years
  • from age 40 to age 54, every one to three years
  • from age 55 to 64, every one to two years
  • after age 65, every six to 12 months

To get a better understanding of the equipment used in our glaucoma screening and diagnosis process, please read about the following diagnostic tests.
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Visual Field Test

Glaucoma is referred to as the sneak thief of sight and can be present without a patient even knowing. As the nerve fibers in the optic nerve are damaged in glaucoma, there is a gradual and painless loss of vision. The loss often goes unnoticed. However, if untreated, glaucoma may eventually affect central vision, as well. Usually it is only with this more advanced stage of glaucoma that one can recognize loss of vision without special tests. The term visual field refers to the area of a scene you can see with your eyes fixed on one location. For example, while watching a stop light, you may notice a car pulling up beside you in the next lane. Your peripheral vision enables you to see the movement of the car. The visual field is quite extensive when both eyes are working properly but with glaucoma, the field of view is reduced.

A visual field test measures two things:

  • How far up, down, left and right the eye sees without moving.
  • How sensitive the vision is in different parts of the visual field.

HD-OCT Glaucoma Screening and Glaucoma Test Washington DCHigh-Definition Optical Coherence Tomography

This device is manufactured in Germany by Zeiss. It has the ability to capture images of eye tissue at a near individual cell level of resolution. In addition, it can show each layer of tissue in the eye allowing our glaucoma eye specialists to pinpoint the exact location of tissue damage. This sophisticated piece of equipment aids in the diagnosis and management of many ocular conditions, including glaucoma and macular degeneration. HD-OCT is a safe, painless and quick procedure that does not require dilation of the pupils. A laser scans the retina, optic nerve, cornea, or anterior chamber in just a manner of seconds to provide our glaucoma doctors with detailed information regarding the microscopic details of the eye. Anyone who has glaucoma or is a glaucoma suspect would benefit from undergoing this diagnostic test.


Pachymetry is the measurement of the thickness of the cornea, (the clear window on the front of the eye).

When the cornea is thinner than average, patients have an increased risk of developing glaucoma. When the cornea is thicker than average, patients have a reduced risk of developing glaucoma. Pachymetry should be performed at least once in a glaucoma patient’s adult life if the eye pressure seems to be too low to explain glaucomatous optic nerve damage or if the eye pressure is higher than one would expect in the absence of any optic nerve damage.

Contact us to schedule a glaucoma screening with the experienced glaucoma specialists at Washington Eye Physicians and Surgeons.


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Laser Vision Correction

If you are seeking a Washington DC LASIK eye surgery specialist you have come to the right place. Washington Eye Physicians & Surgeons is located in Chevy Chase. Our LASIK surgeons are dedicated to creating the best possible LASIK eye surgery outcomes.

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Eyelid Surgery can reduce the aging, tired, or sad look caused by drooping eyelids. The Oculoplastic Surgeons also perform reconstructive surgery of the eye socket and orbital fractures of the facial bones, including eye prostheses, tearing problems, lid twitches, and blepharospasm.

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