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on Technology
Humphrey Automated Visual Field

 Your peripheral vision, or side vision, is very important for your visual function, and is also affected by many eye conditions.


 Many times, subtle changes in your peripheral vision are not noticed. The Humphrey Automated Visual Field allows us to detect any vision loss that you may not have noticed otherwise.


 This is important for conditions such as Glaucoma, retinal detachments, optic neuritis, retinal blood vessel blockage, brain tumors, ptosis (lid lag), auto-immune conditions like lupus, and many others.

   

Sitting in front of a concave dome, A computer-driven program flashes small lights at different locations within the dome's surface, and you press a button when you see the small lights in your peripheral vision. Your responses are compared to age-matched controls to determine the presence of defects within the visual field.The test will detect any loss of peripheral vision and provide a map of that loss which will be helpful in diagnosing the cause.

Normal Results
The peripheral vision is normal in extent.

What Abnormal Results Mean
Abnormal results may indicate diseases or central nervous system problems such as tumors that damage or compress the parts of the brain that deal with vision. Other diseases, among others, that may affect the visual field of the eye include diabetes, hyperthyroidism (a condition where the thyroid produces an excess of hormones), hypertension, diseases of the pituitary gland, and multiple sclerosis.

 
 
 
   
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