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East End Eye Associates: 1333 East Main St. | Riverhead, NY 11901 | Phone: 631-369-0777
       
       
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Humphrey Visual Field | Optical Coherence Tomography (OCT) | Selective Laser Trabeculoplasty (SLT) | Riverhead
     
     
 

 

Humphrey Visual Field

The Humphrey Visual Field is a special automated procedure used to perform perimetry, a test that measures the entire area of peripheral vision that can be seen while the eye is focused on a central point. During this test, lights of varying intensities appear in different parts of the visual field while the patient's eye is focused on a certain spot. The perception of these lights is charted and then compared to results of a healthy eye at the same age of the patient in order to determine if any damage has occurred.

This procedure is performed quickly and easily in about 15 minutes, and is effective in diagnosing and monitoring the progress of glaucoma. The Humphrey system uses advanced blue-yellow perimetry, also known as Short Wavelength Automated Perimetry (SWAP), which is proven to detect signs of glaucoma-related vision loss earlier than other tests.

Patients with glaucoma will often undergo this test on a regular basis in order to determine how quickly the disease is progressing. The Humphrey Visual Field test can also be used to detect conditions within the optic nerve of the eye, and certain neurological conditions as well.

 

Optical Coherence Tomography (OCT)

Optical coherence tomography (OCT) is an advanced technology used to produce cross-sectional images of the retina, the light-sensitive lining on the back of the eye where light rays focus to produce vision. These images can help with the detection and treatment of serious eye condition such as macular holes, macular swelling and optic nerve damage.

OCT uses technology that is similar to CT scans of internal organs, using a scattering of light to rapidly scan the eye to create an accurate cross-section. Unlike other imaging techniques, OCT uses light to produce high resolution images, rather than sound or radiofrequency waves. Your doctor can evaluate and measure each layer of the retina through this image and compare it with normal, healthy images of the retina.

The OCT exam takes about 10 to 20 minutes to perform in your doctor's office.

 

Selective Laser Trabeculoplasty (SLT)

Selective Laser Trabeculoplasty (SLT) is an advanced treatment option for glaucoma patients that lowers eye pressure and increases fluid drainage. This procedure offers a simple solution to glaucoma symptoms through a minimally invasive procedure with no side effects, scarring or pain.

The SLT procedure is effective for almost all patients with just one session. It has been performed successfully in Europe for the past 10 years and is now FDA approved for use in the US. It is performed in the office and takes just a few minutes, providing long-term results through the use of a low-energy laser beam.

SLT is most effective for patients unable to keep up with a daily eye drop treatment because of its cost, inconvenience or side effects. SLT controls glaucoma symptoms for up to 5 years with no need for additional medication, and relieves symptoms by promoting the body's natural healing response. There are no major risks or complications associated with SLT and the procedure is covered by most insurance companies.

 

HRT for Early Glaucoma Detection

The high eye pressure associated with glaucoma can damage your optic nerve before you begin to experience any vision loss. The Heidelberg Retinal Tomograph (HRT) can digitally perceive damage that may indicate the onset of glaucoma, allowing treatment to begin before vision is lost. Similar to MRI (Magnetic Resonance Imaging) and CT (Computed Tomography), HRT is a non-invasive procedure that scans the eye - all you see is a series of flashing red lights. The HRT takes 3-dimensional photographs of the optic nerve and retina using a special laser.  It starts by photographing the surface of the optic nerve and then focuses on deeper and deeper layers before putting them all together to create the 3-dimensional image.  These photographs can be used to determine the retinal edema index, retinal thickness and a reflectance map, which reveals retinal abnormalities.

 

 

 
     
     
     
   
   
 
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